Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Convallariaceae
Tupistra siphonantha N.Tanaka, Vislobokov & D.P.Hannon

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Lithophytic herb with short thick plagiotropic rhizome on exposed rocks near mountain top. Very common at elevation 450-600 m a.s.l.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 983.

Flowered 05 Nov 2018. Flowers white, photos, L. Averyanov

FLORA OF LAOS
Hin Nam No Nature Protected Area

Moraceae
Ficus curtipes Corner

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Tree 4-5 m tall on exposed rocks near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 982.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Urticaceae
Elatostema sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Terrestrial and lithophytic herb or undershrub to 1.5 m tall with succulent stem on rocky slope near mountain top. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 981.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Vitaceae
Cissus javana DC. ( = Cissus discolor Blume)

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Herbaceous vine 2-3 m long among open rocks near mountain top. Leaves dark velvety green- white tessellated with dark purple nerves above, dark dirty violet below. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 980.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Asclepiadaceae
Dischidia acutifolia Maingay ex Hook.f.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphytic and lithophytic herbaceous vine to 3 m long among open rocks near mountain top. Flowers white to pale yellowish. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 979.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Cycadaceae
Cycas sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Palm like treelet about 1.5 m tall on rocky mountain slope (some trees to 10 m tall). Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 978.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Vitaceae
Cayratia trifolia (L.) Domin ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Scandent shrub or semi-woody vine 3-4 m long among open rocks on mountain top. Fruits dark purple. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 977.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Vitaceae
Cissus adnata Roxb.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Semi-woody vine 3-5 m long among open rocks on mountain top. Young leaves reddish-brown. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 976.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Lamiaceae
Plectranthus sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Terrestrial and lithophytic herb of undershrub to 1 m tall among open rocks on mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 975.

FLORA OF LAOS
Hin Nam No Nature Protected Area
Orchidaceae
Bulbophyllum lilacinum Ridl.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Epiphyte on tall trees near mountain top. Locally very common.
11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.5.
Herbarium specimen and photos prepared in 26.10.2020, flowers almost white with yellow-green ting and brown markings, lop white or yellowish with pale purple keels, L. Averyanov & T. Maisak, AL 974.5.1

FLORA OF LAOS
Hin Nam No Nature Protected Area
Orchidaceae
Dendrobium aphyllum (Roxb.) C.E.C.Fisch.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Epiphyte on tall trees near mountain top. Locally very common.
11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.3.
Flowered in cult. 11.05.2020. Photos L. Averyanov, AL 974.3.1

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium venustum Teijsm. & Binn.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall trees near mountain top. Locally very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.2.

Flowered in cult. 20 Sept 2019. Photos L. Averyanov, AL 974/2.1

FLORA OF LAOS
Hin Nam No Nature Protected Area
Orchidaceae
Dendrobium venustum

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall trees near mountain top. Locally very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.2.

Flowered in cult. In 10 October 2018. Flowers white with green tint, lip with purple-violet stripes. Photos. L. Averyanov

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium crepidatum Lindl. & Paxton

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall trees near mountain top. Locally very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 974.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Acampe rigida (Buch.-Ham. ex Sm.) P.F. Hunt

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Lithophytic undershrub to 1 m tall on shady cliff near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 973.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Balsaminaceae
Impatiens verrucifer Hook.f.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Terrestrial and lithophytic herb with succulent bottle-shaped stem on open rocks on mountain top. Petioles pink, leaves dark green with white or pinkish median vein, flowers pink-purple. Locally very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 972.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Begoniaceae
Begonia sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Lithophytic herb on shady cliff near mountain top. Leaves uniform pale green above, almost white with brownish-pink nerves below. Locally common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 971.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sterculiaceae
Sterculia macrophylla Vent. ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Tree 10-12 m tall on rocky slope near mountain top. Fruits bright red. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 970.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sterculiaceae
Sterculia pexa Pierre ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Tree 10-15 m tall on rocky slope near mountain top. Fruits bright red. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 969.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Cleisostoma verrucosum Aver., sp. nov.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Lithophyte near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 968.

Flowered in cult in 10 August 2018. L. Averyanov, AL 968/1. Sepals and petals pale yellow with large purple-brown spots; lip, spur, column and anther white; lip side lobes yellowish, median lobe with few purple at base; pollinia yellow, pedicel and ovary white. Photos L. Averyanov, D. Slastunov.
d-EXSICCATES OF VIETNAMESE FLORA 0319 / AL 968 © L.Averyanov.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Pholidota articulata Lindl.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall trees. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 967.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria lasiopetala (Willd.) Ormerod

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Creeping epiphyte on tall trees. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 966.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Oberonia vesiculifera Aver., sp. nov. Paratype

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Lithophytic herb on shady vertical cliff. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 965.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sterculiaceae
Sterculia parviflora Roxb. ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Treelet about 4 m tall on open rocks near mountain top. Fruits bright red. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 964.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Lecythidaceae
Barringtonia macrostachya (Jack) Kurz ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Treelet 4-6 m tall on open rocks near mountain top. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 963.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Anacardiaceae
Lannea coromandelica (Houtt.) Merr. ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Tree 10-15 m tall on open rocks near mountain top. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 962.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Luisia morsei Rolfe

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall tree near mountain top. Tepals dull yellow, lip brown-purple. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 961.2.

Photos and herbarium prepared in 18 August 2020, sepals and petals light yellowish, lip dark purple brown, anther light yellow, L. Averyanov, T. Maisak.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Luisia trichorrhiza (Hook.) Blume

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31′11.1″N, 105°46′41.4″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l.

Epiphyte on tall tree near mountain top. Tepals dull yellow, lip brown-purple. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 961.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Anomianthus dulcis (Dunal) J. Sinclair

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary and secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial terrace and slopes of river valley between karstic limestone hills at 180-220 m a.s.l.

Treelet or shrub 3-4 m tall along open stream slopes among secondary shrubs. Flowers dull light yellow. Not rare.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 960.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Capparidaceae
Crateva religiosa G.Forst.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary and secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial terrace and slopes of river valley between karstic limestone hills at 180-220 m a.s.l.

Treelet 4-5 m tall on alluvial river valley along stream. Flowers white to yellowish. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 959.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Ebenaceae
Diospyros sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary and secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial terrace and slopes of river valley between karstic limestone hills at 180-220 m a.s.l.

Tree 12-16 m tall on alluvial river valley. Fruits black. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 958.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Verbenaceae
Premna mollissima Roth ( = Premna latifolia Roxb.)

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Scandent shrub among open rocks on mountain top. Flowers light yellowish-green. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 957.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Sarcoglyphis mirabilis (Rchb.f.) Garay

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Epiphyte on tall mossy tree. Locally common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 956.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Pholidota articulata Lindl.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Epiphyte on tall mossy tree. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 955.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Cycadaceae
Cycas sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Palm-like tree to 3 m tall on open rocks near mountain top. Not rare.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 954.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Coelogyne fimbriata Lindl.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Epiphyte and lithophyte near mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 953.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Moraceae
Ficus microcarpa L.f.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Treelet 6-8 m tall among open rocks near mountain top. Syconia light green. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 952.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Drynaria rigidula (Sw.) Bedd.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Epiphyte and lithophyte among open rocks near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 951.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Mitrephora keithii Ridl. ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Treelet 3-4 m tall on shady rocky slope. Flowers yellow. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 950.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rhamnaceae
Ventilago diffusa (G. Don) Exell ( = Ventilago leiocarpa Benth.)

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Woody vine on open rocks near mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 949.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rutaceae
Murraya kwangsiensis (C.C. Huang) C.C. Huang ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Undershrub to 0.5 m tall on shady rocky slope. Fruits dull pale pink, juicy, edible. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 948.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Polyalthia sp. 3

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Treelet or shrub on shady rocky slope. Flowers yellowish, internal tepals at apical half red striped. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 947.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Menispermaceae
Stephania sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Herbaceous vine 3-4 m long on open rocks near mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 946.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Tainia longiscapa (Seidenf.) J.J. Wood & A.L. Lamb

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Lithophytic clustering herb on open rocks near mountain top. Leaves dark glossy green. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 945.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Dipterocarpaceae
Shorea sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Tree on open rocks near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 944.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Malpighiaceae
Hiptage lucida Pierre

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Scandent shrub or woody vine on open rocks near mountain top. Flowers greenish. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 943.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araceae
Hapaline benthamiana Schott

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Terrestrial and lithophytic tuberiferous herb on rocky slope at hill base. Spathe and flowers white, fragrant. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 942.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Amaranthaceae
Deeringia polysperma (Roxb.) Moq.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Shrub 2-3 m tall in open place. Fruits white. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 941.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Asclepiadaceae
Genianthus sp.

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Semi-woody vine 4-6 m long on shady rocky slope. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 940.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Vitaceae
Cayratia trifolia (L.) Domin ?

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Vang Phae Lay mountain, around point 17°31′02.7″N, 105°47′17.2″E.

Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 300-530 m a.s.l.

Scandent shrub or woody vine among open rocks on mountain top. Fruits green. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 939.