Herbarium LE - Specimens

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae s.l. (Pteridaceae) Calciphilopteris ludens (Hook.) Yesilyurt & H. Schneid. ( = Doryopteris ludens (Hook.) J. Sm.) 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 fern on very steep rocky slope near mountain top. Not rare. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 917.

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae s.l. (Pteridaceae) Adiantum flabellulatum L. 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 fern on shady rocky slope. Occasional. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 931.

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae Drynaria quercifolia (L.) J. Sm. 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. Epiphyte and lithophyte on rocky slope near mountain top. Occasional. 10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 901.

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae Colysis sp.? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Lithophytic fern on mossy shady rocks. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 521.

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 Polypodiaceae s.l. (Plagiogyriaceae) Plagiogyria euphlebia (Kunze) Mett. ( = P. maxima C. Chr.) Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial fern in shady place on mountain top. Not common. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 638a.

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae s.l. (Tectariaceae) Tectaria angulata (Willd.) C.Chr. ? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Terrestrial fern in shady place. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 527.

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 Hin Nam No Nature Protected Area Polypodiaceae s.l. (Tectariaceae) Tectaria herpetocaulos Holttum Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Terrestrial fern in shady place. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 535.

FLORA OF LAOS Hin Nam No Nature Protected Area Polypodiaceae Grammitis lasiosora (Blume) Ching Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Miniature epiphyte on mossy tree on mountain top. Not rare. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 618.

FLORA OF LAOS Hin Nam No Nature Protected Area Proteaceae Heliciopsis terminalis (Kurz) Sleumer Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Tree to 15 m tall. Occasional. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 566.

FLORA OF LAOS Hin Nam No Nature Protected Area Polygonaceae Persicaria pulchra (Blume) Sojak Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial herb in open wet mossy place on mountain top. Common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 683.

FLORA OF LAOS Hin Nam No Nature Protected Area Podocarpaceae Podocarpus annamiensis N.E. Gray Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 10 m tall on mountain top. Rare. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 673a.

FLORA OF LAOS Hin Nam No Nature Protected Area Podocarpaceae Dacrycarpus imbricatus (Blume) de Laub. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 20 m tall. Not common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 679a.

FLORA OF LAOS Hin Nam No Nature Protected Area Podocarpaceae Podocarpus pilgeri Foxw. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree 6-8 m tall on mountain top. Common. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 615.

FLORA OF LAOS Hin Nam No Nature Protected Area Podocarpaceae Podocarpus annamiensis N.E. Gray Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree on mountain top. Not rare. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 609.

FLORA OF LAOS Hin Nam No Nature Protected Area Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Undershrub to 1.5 m tall in shady place. Flowers white. Leaves fragrant. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 515.

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 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 Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N, 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 300-600 m a.s.l. Undershrub to 1.5 m tall on shady rocky slope. Fruits dark green. Common. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 711.

FLORA OF LAOS Hin Nam No Nature Protected Area Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Undershrub to 1 m tall in shady place. Inflorescence green. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 533.

FLORA OF LAOS Hin Nam No Nature Protected Area Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Undershrub 0.4-0.5 m tall in shady place. Flowers white. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 514.

FLORA OF LAOS Hin Nam No Nature Protected Area Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Terrestrial undershrub to 1 m tall. Flowers white. Very common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 536.

FLORA OF LAOS Hin Nam No Nature Protected Area Piperaceae Piper sp. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Terrestrial undershrub to 1 m tall in shady place. Flowers white. Common. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 500.

FLORA OF LAOS Hin Nam No Nature Protected Area Pinaceae Keteleeria evelyniana Mast. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 30 m tall. Common, co-dominant of mixed and coniferous forest. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 641.

FLORA OF LAOS Hin Nam No Nature Protected Area Phormiaceae Chlorophytum malayense Ridl. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial herb on shady slope. Flowers white, anthers yellow. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 605.

FLORA OF LAOS Hin Nam No Nature Protected Area Pentaphylacaceae Pentaphylax euryoides Gardner & Champ. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 10 m tall on mountain top. Flowers white to light yellowish. Common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 677a.

FLORA OF LAOS Hin Nam No Nature Protected Area Pentaphylacaceae Pentaphylax euryoides Gardner & Champ. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 10 m tall on mountain top. Flowers white to light yellowish. Common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 677a.

FLORA OF LAOS Hin Nam No Nature Protected Area Oxalidaceae Biophytum fruticosum Blume Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. 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 300-500 m a.s.l. Terrestrial herb on rocky slope near mountain top. Flowers white. Not rare. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 797.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Cansjera rheedi J.F. Gmel. Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. 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 300-500 m a.s.l. Shrub to 2-3 m tall. Fruits bright red. Occasional. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 766.

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 Opiliaceae Cansjera rheedi J.F. Gmel. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°33'14.4"N, 105°47'50.4"E. Primary semideciduous and evergreen broad-leaved dry forest at elev. 400-600 m a.s.l. Treelet about 3 m tall. Fruits bright red. Occasional. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 736.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Opilia amentacea Roxb. ( = Opilia thorelii Gagnep.) 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 in rather open place. Fruits dull yellow. Occasional. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 823.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Melientha suavis Pierre Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. 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 300-500 m a.s.l. Caulifloric tree to 15 m tall. Fruits green. Occasional. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 787.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Cansjera rheedi J.F. Gmel. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Shrub 2-3 m tall on mountain top. Fruits bright red. Common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 644a.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Melientha suavis Pierre Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N, 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 300-600 m a.s.l. Treelet 2-3 m tall on rocky slope. Common. Young leaves edible. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 697.

FLORA OF LAOS Hin Nam No Nature Protected Area Opiliaceae Urobotrya latisquama (Gagnep.) Hiepko ( = Lepionurus latisquamus Gagnep.) 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. Small shrub on shady rocky slope. Fruits bright red. Occasional. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 841.

FLORA OF LAOS Nakai-Nam Theun Protected Area Oleaceae Jasminum nervosum 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. Scandent shrub with stems to 2 m long in open place along trail. Occasional. 15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1081.

FLORA OF LAOS Hin Nam No Nature Protected Area Oleaceae Jasminum nervosum Lour. Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. 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 300-500 m a.s.l. Scandent shrub to 3 m tall in open place. Common. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 764.

FLORA OF LAOS Hin Nam No Nature Protected Area Oleaceae Fraxinus rhynchophylla Hance 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 7-10 m tall on exposed rocks near mountain top. Fruits yellowish with purplish apex. Not common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 1004.

FLORA OF LAOS Hin Nam No Nature Protected Area Oleaceae Chionanthus ramiflorus Roxb. ? Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 20 m tall on mountain top. Very common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 671a.

FLORA OF LAOS Hin Nam No Nature Protected Area Ochnaceae Ochna integerrima (Lour.) Merr. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°33'14.4"N, 105°47'50.4"E. Primary semideciduous and evergreen broad-leaved dry forest at elev. 200-300 m a.s.l. Tree about 10 m tall. Calyx bright red. Very common, usual co-dominant of the second forest stratum. 6 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 737.

FLORA OF LAOS Hin Nam No Nature Protected Area Nyctaginaceae Boerhavia diffusa L. Laos, Khammoune prov., Boualapha distr., Vang Maner village, Palai mountain area, around point 17°30'13.6"N, 105°49'23.9"E, 520 m a.s.l. 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 300-500 m a.s.l. Prostrate lithophytic herb on shelves of open vertical cliff. Flowers pink-purple. Rare. 8 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 762.

FLORA OF LAOS Hin Nam No Nature Protected Area Aceraceae Acer calcaratum Gagnep. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Tree to 6 m tall on mountain top. Fruits and wing red. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 641a.

FLORA OF LAOS Hin Nam No Nature Protected Area Apocynaceae Streptocaulon juventas (Lour.) Merr. 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. Woody vine 6-8 m long in open place. Flowers pale yellow-green. Not common. 10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 899.

FLORA OF LAOS Hin Nam No Nature Protected Area Apocynaceae Hunteria zeylanica (Retz.) Gardner ex 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. Woody vine in open place, fruits orange. Occasional. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 826.

FLORA OF LAOS Hin Nam No Nature Protected Area Apocynaceae Melodinus cochinchinensis (Lour.) Merr. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes of Phou Chuang (Poujeuang) Mt. around point 17°34'13.3"N 105°47'57.5"E. Primary evergreen broad-leaved dry forest at elev. 700-1000 m a.s.l. Woody vine to 10 m long with abundant milky juice. Fruits green. Occasional. 3 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 582.

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 Apocynaceae Marsdenia 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. Woody vine to 10 m long among exposed rocks near mountain top. Flowers dark purple-violet. Common. 11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 990.

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.