Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Scrophulariaceae
Mazus pumilus (Burm.f.) Steenis

Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″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 250-390 m a.s.l.

Terrestrial creeping herb in open place at the base of mountain. Flowers blue. Not common.

10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 893.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araceae
Amorphophallus carneus Ridl.

Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″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 250-390 m a.s.l.

Terrestrial ephemeroid herb on shady rocky slope. Flowers and spathe white. Common.

10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 892.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Didymoplexiopsis khiriwongensis Seidenf.

Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″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 250-390 m a.s.l.

Achlorophyllous terrestrial herb on shady rocky slope. Flowers white, lip above with central white callus covered by many small gray warts, below with central orange callus, column white. Locally common.

10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 891a.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Didymoplexiella ornata (Ridl.) Garay

Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″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 250-390 m a.s.l.

Achlorophyllous terrestrial herb on shady rocky slope. Flowers white, lateral sepals with reddish-orange stripes in basal half, lip light violet, column white. Locally common.

10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 891.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Asclepiadaceae
Hoya aphylla Aver. & K.S. Nguyen sp. nov.

Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″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 250-390 m a.s.l.

Erect terrestrial and lithophytic herb, later herbaceous or semi-woody vine on rocky slope. Flowers white to light yellowish, corona pale brownish-pink. Not common.

10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 890.
d-EXSICCATES OF VIETNAMESE FLORA 0318 / AL 890 © L.Averyanov & K.S. Nguyen

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Chiloschista pulchella Aver. & K.S. Nguyen sp. nov. Holotype

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphyte on tall tree. Sepals and petals yellowish with orange-brown center, lop pale yellowish with purple apex. Rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 889.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rutaceae
Harrisonia perforata (Blanco) Merr.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Scandent shrub 1.5-2 m tall in open place. Very common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 888.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Solanaceae
Lycianthes biflora Bitter

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb to undershrub in open place. Flowers buds white. Not common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 887.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Fabaceae
Desmodium zonatum Miq.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb in open place. Flowers white, median tepal light violet. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 886.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Convallariaceae
Peliosanthes sp.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial acaulescent herb on shady rocky slope among rocks. Not common. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 885.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Convallariaceae
Ophiopogon longifolius Decne.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial acaulescent herb with linear leaves on shady rocky slope among rocks. Not common. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 884.
Flowered in cult. And identified in 17 September 2018, Photo N.S. Khang.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Tiliaceae
Burretiodendron hsienmu W.Y. Chun & F.C. How

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Tree 25-30 m tall and to 1 m DBH on shady rocky slope. Common. Usual co-dominant of the forest on mountain slopes.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 883.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araliaceae
Trevesia palmata (Roxb. ex Lindl.) Vis.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet to 6 m tall on shady rocky slope. Flowers yellow, fruits green. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 882.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Asclepiadaceae
Hoya fungii Merr.?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Semi-woody vine 3-4 m long in open place. Flowers white. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 881.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Zingiberaceae
Meistera sp. ( = Amomum sp.)

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb to 1.5 m tall on shady rocky slope. Flowers white. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 880.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Piperaceae
Piper sp.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphytic creeping vine. Flowers white to light greenish. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 879.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Zingiberaceae
Zingiber nudicarpum D. Fang

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb to 1.5 m tall on shady rocky slope. Floral bracts purple, flowers light yellowish. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 878.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Opiliaceae
Urobotrya siamensis Hiepko

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Scandent shrub 2-2.5 m tall on shady rocky slope. Fruits bright red. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 877.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Bignoniaceae
Mayodendron sp. ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Deciduous treelet or shrub. Flowers dull to bright red. Not common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 876.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Bignoniaceae
Radermachera boniana Dop

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet 3-4 m tall among open rocks near mountain top. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 875.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Desmos sp.?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Shrub 3-4 m tall on shady rocky slope. Fruits green. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 874.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Leptochilus decurrens Blume

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Creeping lithophyte on shady mossy rocks on rocky slope. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 873.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Miliusa sinensis Finet & Gagnep. ?

Laos, Kham
moune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet 3-4 m tall on shady rocky slope. Flowers dirty dull reddish-brown. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 872.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Meliaceae
Munronia lancifolia sp. nov. ? (M. unifoliolata Oliv. & M. petelotii Merr. aff.)

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial undershrub 0.2-0.3 m tall on shady rocky slope among rocks. Flowers white. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 871.

This is closest to M. unifoliolata, but different from the staminal tube (with 10 long teeth). This genus until now recorded only 4 species (2014). Ii is also closed to M. longipetiola described from Vietnam (2014) in Quang Ninh province, all other species of M. the staminal tube divided 2 o 3. This species not divided.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Chassalia curviflora (Wall.) Thwaites

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb to 1.5 m tall in shady rocky place. Flowers dull violet. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 870.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Myrtaceae
Syzygium baviense (Gagnep.) Merr. & L.M.Perry ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Shrub or treelet 3-4 m tall on shady rocky slope. Fruits bright red. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 869.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Zingiberaceae
Amomum villosum Lour.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb to 1.5 m tall on rocky slope. Flowers white, median tepal with yellow median stripe margined with red. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 868.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria javanica (Sw.) Blume

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Clustering lithophyte on shady cliff. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 867.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium salaccense (Blume) Lindl.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Clustering epiphyte on old trees. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 866.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Pholidota imbricata Lindl.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Clustering lithophyte near mountain top. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 865.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Flickingeria angustifolia (Blume) A.D. Hawkes ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Creeping epiphyte on tall trees. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 864.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Callostylis rigida Blume

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Creeping epiphyte on tall trees. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 863.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Sarcoglyphis mirabilis (Rchb.f.) Garay

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphyte on tall trees. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 862.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Eria acervata Lindl.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphyte on tall trees. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 861.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium fimbriatum Hook.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphyte and lithophyte near mountain top. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 860.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium aphyllum (Roxb.) C.E.C. Fisch. ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Epiphyte on tall trees. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 859

FLORA OF LAOS
Hin Nam No Nature Protected Area

Vitaceae
Tetrastigma lanceolarium (Roxb.) Planch. ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Semideciduous vine 5-8 m long in open place. Fruits orange. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 858.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Piperaceae
Piper sp.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Undershrub to 2 m tall on shady rocky slope. Fruits green. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 857.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Anacardiaceae
Dracontomelon duperreanum Pierre

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Tree to 40 m tall and to 2 m DBH with large flat buttress roots on middle part of mountain slope. Common. Significant forest co-domonant of first stratum.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 856a (photo only).

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae
Cleidion javanicum Blume

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet to 5 m tall on shady rocky slope. Fruits green. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 856.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Dichapetalaceae
Dichapetalum helferianum (Kurz) Pierre

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet or shrub on shady rocky slope. Flower buds white. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 855.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae
Microsorum steerei (Harr.) Ching ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Lithophytic and epiphytic fern on shady rocky slope. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 854.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Lasianthus sp.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Shrub to 2 m tall on shady rocky slope. Flowers white. Common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 853.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Ophiorrhiza rosacea Ridl.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb among shady rocks on shady rocky slope. Flowers from white to violet. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 852.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araceae
Alocasia sp.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial rhizomatous herb among shady rocks on shady rocky slope. Spathe dark glossy green. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 851.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Magnoliaceae
Paramichelia baillonii (Pierre) Hu. ( = Magnolia baillonii Pierre).

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Tree 20-25 m tall on shady rocky slope. Not common.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 850.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Polypodiaceae s.l. (Lygodiaceae)
Lygodium polystachyum T. Moore

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Fern with vine-like fronds 3-4 m long in open place. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 849.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Myrtaceae
Syzygium antisepticum (Blume) Merr. & L.M.Perry ?

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Treelet 3-4 m tall on shady rocky slope. Fruits white. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 848.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Myrsinaceae
Ardisia villosa Roxb.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Shrub 1.5-2.5 m tall on shady rocky slope. Flower buds green, pedicels purple. Occasional.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 847.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Ophiorrhiza rosacea Ridl.

Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29′39.3″N, 105°50′24.6″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 350-430 m a.s.l.

Terrestrial herb in open rocky place. Flowers white, apex of tepals violet. Not rare.

9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 846.