Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Vitaceae
Tetrastigma sp.?

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Semi-woody vine to 10 m long on rather open place on steep rocky slope. Fruits yellowish, edible. Not common.

LA-VN 1518 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Convallariaceae
Tupistra muricata (Gagnep.) N.Tanaka

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial herb on shady rocky steep slope. Fruits globular, dirty green with violet tint. Locally common.

LA-VN 1517 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Convallariaceae
Peliosanthes sp.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial herb on shady rocky steep slope. Leaves uniform green or with many unclear yellowish spots. Common.

LA-VN 1516 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Orchidaceae
Zeuxine flava (Wall. ex Lindl.) Trimen

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial and lithophytic creeping hern on shady rocky steep slope. Sepals light olive-brownish, lip bright yellow. Occasional.

LA-VN 1515b 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Orchidaceae
Hetaeria sp.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial and lithophytic creeping hern on shady rocky steep slope. Leaves uniform light green. Locally common.

LA-VN 1515a 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Convallariaceae
Peliosanthes hirsuta Averyanov & N.Tanaka

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial and lithophytic herb on shady rocky steep slope. Leaves dark glossy green, often with whitish longitudinal unclear stripe. Locally common.

LA-VN 1514 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Cucurbitaceae

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Herbaceous vine in open place. Not common.

LA-VN 1513 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Araliaceae
Schefflera sp.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Treelet 4-6 m tall in rather open place on steep rocky slope. Flowers violet. Occasional.

LA-VN 1512 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Orchidaceae
Cheirostylis thailandica Seidenf.?

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Lithophytic herb on shady exposed mossy boulders on steep rocky slope. Sepals light olive-brownish, lip white. Occasional.

LA-VN 1511 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Begoniaceae
Begonia quadripetiolata Aver., sp. nov.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Lithophytic herb with stem 10-20 cm tall on shady cliffs. Leaves and petioles uniform green. Locally very common.

LA-VN 1510 22 March 2017

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh. Fl. in cult. 20 March 2019. Flowers odorless, white, anther yellow, only male flowers. L. Averyanov, T. Maisak, LA-VN 1510/1. Photos.

FLORA OF LAOS
Scrophulariaceae
Lindenbergia philippensis Benth.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial and lithophytic herb to 0.5 m tall in open place of steep rocky slope. Flowers yellow. Occasional.

LA-VN 1509 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Acanthaceae

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06′52.4′'N 102°22′35.8′'E.

Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.

Terrestrial herb or undershrub to 1.5 m tall on shady place. Flowers white speckled with pink or purple. Common.

LA-VN 1508 22 March 2017
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

FLORA OF LAOS
Euphorbiaceae

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub on mountain top. Not common.

LA-VN 1507 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Dendrobium sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on old trees on mountain top. Not common.

LA-VN 1506 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Poaceae (Bambusoideae)

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Woody grass about 10 m tall and 7 cm DBH on open dry steep rocky mountain slope. Common.

LA-VN 1505 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Poaceae (Bambusoideae)

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Woody grass about 5 m tall on open dry steep rocky mountain slope. Common.

LA-VN 1504 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Araliaceae
Trevesia palmata (Roxb. ex Lindl.) Vis.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Tree 5-7 m tall on steep shady slope. Common.

LA-VN 1503 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Arecaceae
Caryota sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Palm 3-4 m tall on steep shady slope. Leaves about 2 m long. Not common.

LA-VN 1502 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Thrixspermum centipeda Lour.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on tall old trees on steep rocky shady slope near mountain top. Common.

LA-VN 1501 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Cleisostoma arietinum (Rchb.f.) Garay

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on tall old trees on steep rocky shady slope near mountain top. Not common.

LA-VN 1500 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Liparis sootenzanensis Fukuy. Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial and lithophytic herb on steep rocky shady slope near mountain top. Not common.

LA-VN 1499 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

Flowered in May 2016. Flowers dark violet to almost black.

FLORA OF LAOS
Zingiberaceae
Hedychium sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial and lithophytic herb on steep rocky slope. Common.

LA-VN 1498 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Polypodiaceae s.l.
Asplenium nidus L.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on tall old trees. Common.

LA-VN 1497 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Luisia ramosii Ames

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on tall old trees. Common.

LA-VN 1496 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Coelogyne lentiginosa Lindl.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Clustering epiphyte on tall old trees. Common.

LA-VN 1495 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Urticaceae
Pilea sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Lithophyte on very steep rocky slope and on shady cliffs. Very common.

LA-VN 1494 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Polypodiaceae s.l.
Asplenium antrophyoides Christ

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Rosulate lithophyte on very steep rocky slope and on shady cliffs. Very common.

LA-VN 1493 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Liparis viridiflora (Blume) Lindl.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Clustering lithophyte on very steep rocky slope and on shady cliffs. Common.

LA-VN 1492 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Asclepiadaceae
Hoya carnosa (L.f.) R.Br.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphytic and lithophytic creeping vine 2-3 m long on very steep rocky slope. Flowers fragrant, white, with reddish disk. Common.

LA-VN 1491 15 April 2015 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy. Det.: Pham Van The, May 2015.

Fl. 20 June 2017. Flowers white, fragrant. Photos. L. Averyanov

FLORA OF LAOS
Polypodiaceae s.l.
Tectaria sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Lithophytic fern on shady cliff near mountain top. Common.

LA-VN 1490 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Piperaceae
Piper sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial herb 2 m tall on steep rocky shady slope. Flowers white. Common.

LA-VN 1489 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Rubiaceae
Pavetta sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub about 4 m tall on steep rocky slope. Flowers white. Common.

LA-VN 1488 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Polypodiaceae s.l.
Colysis sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial fern on steep shady rocky slope. Common.

LA-VN 1487 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Phormiaceae
Dracaena sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub to 3 m tall on steep shady rocky slope. Flowers white. Common.

LA-VN 1486 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Amaranthaceae
Cyathula sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial herb on open rocks on steep rocky slope. Not rare.

LA-VN 1485 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Convallariaceae
Tupistra muricata (Gagnep.) N.Tanaka

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial herb in shady steep rocky slope. Fruits dark dirty green with violet tint. Not rare.

LA-VN 1484 15 April 2015 Living specimen
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Calanthe odora Griff.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Terrestrial herb in shady steep slope. Common.

LA-VN 1483 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Oleaceae
Jasminum sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Scandent shrub 2-3 m tall among dry open secondary shrubs on steep mountain slope. Flower white. Common.

LA-VN 1482 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Euphorbiaceae
Croton sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Treelet or shrub to 3 m tall in open place of mountain slope. Flower hreenish-yellow. Common.

LA-VN 1481 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Cycadaceae
Cycas simplicipinna (Smitinand) K.D.Hill

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Stemless palm-like plant on steep rocky slope. Leaves to 2 m long. Male cone about 10 cm long 3-4 cm in diam. Locally common.

LA-VN 1480 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Commelinaceae
Pollia sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Short creeping terrestrial herb in open wet place. Flowers white. Common.

LA-VN 1479 15 April 2015 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Polypodiaceae s.l.
Leptochilus decurrens Blume

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Short creeping lithophyte in shady places. Common.

LA-VN 1478 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Annonnaceae

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub about 2 m tall on mountain slope. Flowers green to yellow. Common.

LA-VN 1477 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Meliaceae
Munronia pinnata (Wall.) W.Theob.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Small terrestrial herb in shady places. Flowers white. Locally common.

LA-VN 1476 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Acanthaceae

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Lithoiphytic rosulate herb on shady cliff near mountain top. Common.

LA-VN 1475 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Arecaceae
Rhapis laosensis?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Palm 0.5-1 m tall on shady mountain slope. Very common.

LA-VN 1474 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Apocynaceae
Rauvolfia sp.?

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub 1.5-2.5 m tall in open place on mountain slope. Flowers white. Common.

LA-VN 1473 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Orchidaceae
Pelatantheria ctenoglossum Ridl.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Epiphyte on old mossy trees on mountain slope near mountain top. Common.

LA-VN 1472 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Leeaceae
Leea rubra Blume ex Spreng.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Shrub 1.5-2.5 m tall in open place on mountain slope. Common.

LA-VN 1471 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

FLORA OF LAOS
Polypodiaceae s.l.
Leptochilus sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55′53.2′'N 103°16′24.2′'E.

Secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l.

Short creeping epiphyte on shady mountain slope. Not common.

LA-VN 1470 15 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.