Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Orchidaceae
Oberonia cavaleriei Finet

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Lithophytic rosulate herb on vertical shady cliffs. Not common.

LA-VN 1130 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Polypodiaceae s.l.
Asplenium antrophyoides Christ

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Lithophytic rosulate fern on vertical shady cliffs. Very common.

LA-VN 1129 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Caprifoliaceae
Sambucus javanica Blume

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Shrub or small treelet to 3 m tall among open secondary shrubs in wet place along road. Flowers white. Common. Wild and also cultivated as ornamental.

LA-VN 1128 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Combretaceae
Combretum sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Woody vine or scandent shrub 2-3 m tall among open secondary shrubs along road. Common.

LA-VN 1127 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Apocynaceae
Wrightia sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Treelet to 4 m tall. Flowers dull pinkish-red. Not rare.

LA-VN 1126 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Convallariaceae
Ophiopogon platyphyllus Merr. & Chun

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial and lithophytic stemless herb in limestone pockets on shady rocks. Leaves to 1 m long and 4 cm wide. Not rare.

LA-VN 1125 / TM 1281 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Flowered in cultivation in 4 May 2015 and 25 May 2018. Flowers white. Photos. L. Averyanov

FLORA OF LAOS
Cycadaceae
Cycas collina K.D.Hill, H.T.Nguyen et P.K.Loc

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Palm-like plant with stem 0.5 m tall and 0.3 m in diam. in rather open place among secondary shrubs on alluvial foothill of limestone mountain. Leaves 2.5 m long. Occasional.

LA-VN 1124 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Euphorbiaceae
Croton sp.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Tree 5-7 m tall, Flowers yellow. Very common.

LA-VN 1123 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Celastraceae
Euonymus sp.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Shrub 2-2.5 m tall. Flower buds pink. Very common.

LA-VN 1122 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Myrsinaceae
Ardisia sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Treelet 2-2.5 m tall. Flower buds pink. Occasional.

LA-VN 1121 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Euphorbiaceae

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Tree about 4 m tall. Fruits red-purple. Not common.

LA-VN 1120 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Polypodiaceae s.l.
Antrophyum sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte shrub about 2 m tall on old tree. Fruits orange to almost red. Common.

LA-VN 1119 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Araliaceae
Schefflera pes-avis R.Vig.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte shrub about 2 m tall on old tree. Fruits orange to almost red. Common.

LA-VN 1118 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Asclepiadaceae
Hoya globulosa Hook.f.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Semi-woody vine 2-3 m long in rather open, exposed rocks. Flowers white, sweet fragrant, corona inside purple. Common.

LA-VN 1117 7 April 2015 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty. Det.: Pham Van The, May 2015.

FLORA OF LAOS
Orchidaceae
Calanthe alismifolia Lindl.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial herb in shady humid place. Not common.

LA-VN 1116 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Convallariaceae
Ophiopogon dracaenoides (Baker) Hook.f.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial herb 20-40 cm tall in shady place. Locally common.

LA-VN 1115 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Polypodiaceae s.l.
Polypodium sp. s.l.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Creeping epiphytic vine about 3 m long in shady place. Locally common.

LA-VN 1114 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Araceae
Aglaonema sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial herb to 0.5 m tall in shady wet place. Spathe white. Locally common.

LA-VN 1113 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Araceae
Pothos sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Creeping epiphytic and lithophytic vine 2-3 m long. Spathe greenish, inflorescence yellow. Locally common.

LA-VN 1112 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Capparidaceae
Capparis sp.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Scandent shrub 3 m tall in rather open place. Flowers white. Locally common.

LA-VN 1111 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Vitaceae
Tetrastigma sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Woody vine about 5 m long. Flowers greenish. Locally common.

LA-VN 1110 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Solanaceae
Physalis angulata L.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial herb in open place near the base of mountain. Flowers white. Locally common.

LA-VN 1109 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Zingiberaceae
Alpinia sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Terrestrial herb. Flowers yellowish. Common.

LA-VN 1108 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Armodorum sp.?

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte on old mossy tree. Not common.

LA-VN 1107 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Oberonia sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte on old mossy tree. Locally common, particularly on mountain tops.

LA-VN 1106 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Luisia ramosii Ames

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte on old mossy tree. Locally common, particularly on mountain tops.

LA-VN 1105 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Dendrobium jenkinsii Wall. ex Lindl.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Densely clustering epiphyte on old mossy tree. Flowers rich yellow. Locally common, particularly on mountain tops.

LA-VN 1104 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Bulbophyllum sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Creeping epiphyte on old tree. Common.

LA-VN 1103 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Orchidaceae
Oberonia ensiformis (Sm.) Lindl.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23′41.3′'N 104°13′44.5′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Lithophyte on vertical shady cliffs. Not rare.

LA-VN 1102 7 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS
Asteraceae
Galinsoga parviflora Cav.?

Xiangkhouang Prov., Xiangkhouang Plateau, Peak Distr., Phonsavan city, at elev about 1100 m a.s.l.

Common weed in the town and around. Marginal flowers white.

LA-VN 1101 3 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Magnoliaceae
Michelia braianensis Gagnep.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Tree 15-20 m tall on mountain shady slope. Locally common.

LA-VN 1100 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Luisia sp.

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33′02.2′N 103°39′56.3′E.

Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l.

Epiphyte on tall mossy tree on mountain top. Not common.

LA-VN 1099 3 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Luisia ramosii Ames

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33′02.2′N 103°39′56.3′E.

Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l.

Epiphyte on tall mossy tree. Flowers greenish-violet, lip dark violet., anther white, pollinia yellow. Not rare.

LA-VN 1098 3 April 2015 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Dendrobium gratiosissimum Rchb.f.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Clustering epiphyte on tall old mossy tree along ridge edge. Flowers white with purple-violet tint, lip with yellow central spot. Common.

LA-VN 1097 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Arecaceae
Phoenix loureiroi Kunth

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Palm to 1 m tall along ridge edge. Locally common.

LA-VN 1096 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Dendrobium trigonopus Rchb.f.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Clustering epiphyte on tall old mossy tree along ridge edge. Flowers yellow, lip sometime with light greenish tint in center. Locally abundant.

LA-VN 1095 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Polypodiaceae s.l.
Lepisorus sp.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Creeping epiphyte on tall old mossy tree along ridge edge. Occasional.

LA-VN 1094 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Eria eriopsidobulbon Par. & Rchb.f.

Xiangkhouang Prov., Kham Distr., Huad village, Phou Tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Epiphyte on tall old trees along ridge edge.

LA-VN 1093a/TM 1264 4 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

Fl. in cult. 18.07.2019, L. Averyanov, LA-VN 1093a/TM 1264. Flowers yellowish, lip bright yellow. Photos.

FLORA OF LAOS
Orchidaceae
Eria eriopsidobulbon Par. & Rchb.f.

Xiangkhouang Prov., Kham Distr., Huad village, Phou Tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Epiphyte on tall old trees along ridge edge.

LA-VN 1093a/TM 1264 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

Fl. in cult. 18.07.2019, L. Averyanov, LA-VN 1093a/TM 1264. Flowers yellowish, lip bright yellow. Photos.

FLORA OF LAOS
Orchidaceae
Eria apertiflora Summerhauyes

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Epiphyte on tall old trees along ridge edge.

LA-VN 1093a/TM 1262 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

Fl. in cult. 2 September 2015. Flowers white, lip ochre yellow. Photos. L.Averyanov.

Fl. in cult. 5 Sept. 2016. L. Averyanov.

FLORA OF LAOS
Orchidaceae
Eria pannea Lindl.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Creeping epiphyte on tall old trees along ridge edge. Flowers yellow, lip brown. Locally abundant.

LA-VN 1093 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Dendrobium chrysotoxum Lindl.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Epiphyte on tall old trees along ridge edge. Flowers yellow, fragrant. Locally abundant.

LA-VN 1092 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Chloranthaceae
Chloranthus japonicus Siebold

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Terrestrial herb on open steep slope. Flowers yellowish. Not common.

LA-VN 1091 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Oleaceae
Ligustrum sp.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Treelet 3-4 m tall among exposed rocks on mountain top. Flower buds white. Not common.

LA-VN 1090 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Apocynaceae
Marsdenia tinctoria R.Br.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Woody vine 4-8 m long on exposed rocks on mountain top. Flowers yellowish, fragrant. Rare.

LA-VN 1089 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Orchidaceae
Bulbophyllum clandestinum Lindl.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Epiphyte on old tree on mountain top. Occasional.

LA-VN 1088 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Fabaceae s.l.
Derris sp.?

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Woody vine 3-4 m long on mountain top. Flowers purple-violet. Common.

LA-VN 1087 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Fabaceae s.l.
Dalbergia sp.?

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Treelet 3-5 m tall on mountain top. Flowers white. Rare.

LA-VN 1086 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Fabaceae s.l. (Caesalpiniaceae)
Bauhinia ornata Kurz

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Woody vine 10-15 m long on open rocks along ridge edge. Flowers white, fragrant. Occasional.

LA-VN 1085 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS
Plantaginaceae
Plantago major L.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32′31.6′N 103°39′40.4′E.

Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l.

Terrestrial rosulate herb in open wet place with spring water. Flowers white. Not common.

LA-VN 1084 4 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.