Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Orchidaceae
Dendrobium parishii Rchb.f.

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Epiphyte. Occasional.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1080.1

Herbarium prepared in 15.05.2019. Flowers white with violet tint, lip with 2 large dark purple-violet spots, anther dark purple-violet. L. Averyanov. Photos.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Convallariaceae
Ophiopogon sp. 2

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Terrestrial herb on very steep rocky slope. Not rare.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1080.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Arecaceae
Rhapis kebangensis A.J. Hend. ?
(R. subtilis Becc. ?)

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Miniature palm to 2 m tall on steep rocky slope. Fruits dark green. Very common, co-dominant of forest shrub stratum.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1079.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Asclepiadaceae
Genianthus sp.

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Semi-woody vine to 5 m long on steep rocky slope. Not rare.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1078.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Polypodiaceae s.l. (Pteridaceae)
Pteris venusta Kunze

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Terrestrial rhizomatous fern on steep rocky slope. Occasional.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1077.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Convallariaceae
Peliosanthes cryptogamica sp. nov. ? (P. inaperta Aver. & N. Tanaka aff.)

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Terrestrial herb on shady rocky slope. Very common, co-dominant of herbaceous forest stratum.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1076.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Cycadaceae
Cycas simplicipinna (Smitinand) K.D. Hill

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Palm-like plant with caudex underground stem 15-20 cm long and about 10 cm in diameter on very steep rocky slope. Not rare.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1075.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Annonaceaea
Melodorum fruticosum Lour. ?

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Treelet about 6 m tall in rather open place along trail. Flowers dull yellow-greenish. Occasional.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1074.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Lauraceae
Cinnamomum iners Reinw. ex Blume ?

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Evergreen tree 20-25 m tall. Fruits black. Very common, co-dominant of lowland primary forest.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1073.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Rubiaceae
Tarennoidea wallichii (J. D. Hooker) Tirvengadum & Sastre

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Tree to 15 m tall. Flowers pale yellow. Not rare.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1072.

FLORA OF LAOS
Nakai-Nam Theun Protected Area

Euphorbiaceae
Drypetes assamica (Hook.f.) Pax & K.Hoffm.

Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.

Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.

Tree 12-14 m tall in open place Fruits yellow. Not common.

15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1071.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Dendrobium lindleyi Steud.

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 on rocky slope near mountain top. Not rare.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1070.

$$$

AL 1071-1093
Collectors: L. Averyanov, Khang Sinh Nguyen, T. Maisak.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Apocynaceae
Amphineurion marginatum (Roxb.) D.J. Middleton

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine 6-8 m long in open place along trail. Flowers white, fragrant. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1069.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Smilacaceae
Smilax bracteata C. Presl

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine 3-4 m long in open place along trail. Fruits glossy green. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1068.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sapindaceae
Nephelium hypoleucum Kurz

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree to 20 m tall. Fruits greenish, later purple. Inside juicy, sweet, edible.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1067.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Irvingiaceae
Irvingia malayana A.W.Benn.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree to 40 m tall along river slopes. Fruits dull green 1-seeded. Very common. Main co-dominant of gallery river forest.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1066.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Verbenaceae
Vitex sp. ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Scandent shrub on sandy river dunes. Fruits green. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1065.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae
Glochidion pilosum (Lour.) Merr.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub 2-2.5 m tall in open place along trail. Fruits green. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1064.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sapindaceae
Lepisanthes rubiginosa (Roxb.) Leenh. ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree 10-15 m tall (to 20 m ?). Flower buds white to light yellowish. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1063.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae
Pavetta indica L.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub 1.5-2 m tall on sandy river dunes. Flowers white. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1062.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Lythraceae
Lagerstroemia speciosa (L.) Pers.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree to 10-12 m tall. Flowers purple-violet. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1061.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Clusiaceae
Garcinia cochinchinensis (Lour.) Choisy ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree to 10 m tall on sandy dunes along river. Flowers dull yellowish-orange. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1060.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub on sandy dunes along river. Flowers white. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1059.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Apocynaceae
Ichnocarpus frutescens (L.) W.T. Aiton

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine 6-8 m long. Flowers white. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1058.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae
Aporosa octandra (Buch.-Ham. ex D.Don) Vickery ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree 8-12 m tall. Seeds red. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1057.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Myrsinaceae
Embelia ribes Burm.f.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine 4-5 m long in rather open place. Fruits green. Not rare.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1056.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Simaroubaceae
Brucea javanica (L.) Merr.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Treelet 2-3 m tall in rather open place. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1055.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Sapindaceae
Guioa pleuropteris (Blume) Radlk. ?

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Treelet 4-6 m tall. Flower buds whitish. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1054.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Capparidaceae
Capparis pyrifolia Lam.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Scandent shrub to 3 m tall in rather open place. Fruits green. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1053.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub 2-3 m tall. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1052.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Zingiberaceae
Alpinia sp. (Catimbium sp.)

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Terrestrial herb to 3 m tall in open wet place. Flowers white, median tepal dark purple-red. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1051.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Euphorbiaceae
Glochidion pilosum (Lour.) Merr.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub 1.5-2 m tall in open place along trail. Fruits green. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1050.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Connaraceae
Connarus semidecandrus Jack

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine to 10 m long. Fruits bright orange. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1049.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Miliusa velutina (Dunal) Hook. f. & Thomson

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Tree 15-20 m tall in open place. Fruits green. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1048.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Apocynaceae
Ichnocarpus frutescens (L.) W.T. Aiton

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Woody vine 6-8 m long in open place. Flowers white. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1047.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Zingiberaceae
Kaempferia sp.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Terrestrial tuberiferous herb in open grassy place. Flowers light violet. Not rare.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1046.

FLORA OF LAOS
Hin Nam No Nature Protected Area

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Shrub 1-2 m tall along road. Leaves dark purple, sticky. Flowers dark red. Occasional (cultivated?).

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1045.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Ancistrocladaceae
Ancistrocladus tectorius (Lour.) Merr.

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Scandent shrub or woody vine 4-6 m long. Very common. Usual co-dominant of shrub forest stratum.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1044.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Simaroubaceae
Eurycoma longifolia Jack

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

Secondary dry evergreen and semideciduous broad-leaved forest on sandy alluvial flat valley along river between karstic limestone hills at about 180 m a.s.l.

Treelet to 3 m tall. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1043.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Orchidaceae
Luisia zollingeri Rchb.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.

Epiphyte on tall trees on rocky slope near mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1042.

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 on rocky slope near mountain top. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1041.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rubiaceae

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.

Shrub 3-5 m tall on shady mountain slope. Fruits green. Very common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1040.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Annonaceae
Mitrephora keithii 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.

Tree 15-20 tall on shady mountain slope. Flowers yellow, very fragrant. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1039.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Rutaceae
Micromelum hirsutum Oliv.

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 5-7 tall on open rocks near mountain top. Fruits red, later black. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1038.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araliaceae
Schefflera wallichiana (Wight & Arn.) Harms ?

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.

Treel to 10 m tall on open rocks near mountain top. Flowers yellow. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1037.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Thymellaeaceae ??
Wikstroemia 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.

Shrub 2-3 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 1036.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Verbenaceae
Vitex 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.

Shrub 2-3 m tall on open rocks near mountain top. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1035.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Verbenaceae
Premna mollissima Roth ( = Premna latifolia 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.

Scandent shrub to 4 m long on open rocks near mountain top. Flowers light greenish. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1034.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Verbenaceae
Premna stenobotrys 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.

Scandent shrub to 5 m long on open rocks near mountain top. Flowers yellowish. Not common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1033.

FLORA OF LAOS
Hin Nam No Nature Protected Area

Araliaceae
Schefflera 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.

Treelet 2-3 m tall on open rocky slope near mountain top. Fruits red, later black. Common.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1032.