Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF LAOS
Acanthaceae s.l.
Thunbergia sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Herbaceous vine to 10 m long in open places along stream valley. Flowers blue-violet. Very common.

LA-VN 404 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Polygonaceae
Polygonum sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Riparian ascending herb to 0.5 m tall in open place in shallow water of small stream on sandy soil. Flowers pink. Common.

LA-VN 403 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Apocynaceae
Rauwolffia sp.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Undershrub 1-1.5 m tall in open place on wet sandy slopes along stream valley. Flowers white, fruits green, later red and white. Not common.

LA-VN 402 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Rubiaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Terrestrial herb to 1 m tall on wet sandy slopes along shady stream valley. Flowers white. Common.

LA-VN 401 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Acanthaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Terrestrial herb to 1 m tall on wet sandy slopes along shady stream valley. Flowers white, median tepals with fine purple spotting. Locally common.

LA-VN 400 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Taccaceae
Tacca plantaginea (Hance) Drenth?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Terrestrial rosulate herb with thick vertical rhizome on wet sandy slopes along shady stream valley. Locally common.

LA-VN 399 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Acanthaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Creping terrestrial herb with ascending stems to 0.5 m tall on wet sandy slopes along shady stream valley. Flowers blue, floral bracts white with contrast green nerves. Locally common.

LA-VN 398 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Ebenaceae
Diospyros sp.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Tree 8-12 m tall along shady stream valley, partially caulifloric. Flowers buds light green. Not rare.

LA-VN 397 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Polypodiaceae s.l.
Vittaria sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Epiphyte on old trees along shady stream. Not common.

LA-VN 396 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Myrtaceae
Syzygium sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Tree 12-15 m tall in open place along stream. Flowers buds whitish. Common.

LA-VN 395 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Meliaceae?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Tree 15 m tall in open place along stream. Flowers dull yellow, apex of anther tube dark purple. Common.

LA-VN 394 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Simaroubaceae
Ailanthus sp.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Tree 10 m tall in open place along stream. Flowers white, anther tube yellowish, Fruits glossy green with flushed with purple. Common. Young leaves edible as leaf vegetable.

LA-VN 393 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Bignoniaceae
Marghamia sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-400 m.

Tree 6-10 m tall in open place along stream. Flowers yellow with purple. Not rare.

LA-VN 392 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Rubiaceae
Mussaenda sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Woody vine 2-3 m long. Floral bracts green, flowers yellow-orange, tube light greenish. Common.

LA-VN 391 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Cymbidium aloifolium (L.) Sw.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte. Flowers light yellowish to almost white, tepals with purple stripe, lip dark purple with yellowish keels. Very common.

LA-VN 390 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Pholidota imbricata Lindl.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte. Not common.

LA-VN 389 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Tropidia angulosa (Lindl.) Blume?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Terrestrial herb on shady slope. Not common.

LA-VN 388 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Fabaceae (Caesalpiniaceae)
Gen.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Treelet about 5 m tall, 10 cm DBH on top of ridge. Flowers white, fragrant. Anthers light pinkish. Fruits woody, 1-seeded, dark olive-green. Very rare.

LA-VN 387 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Rubiaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Terrestrial herb to 1 m tall among shady rocks. Locally very common.

LA-VN 386 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Eclecticus chungii P.O'Byrne

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte in shady slope. Not common.

LA-VN 385c 14 March 2013 photos.
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

Fl. Under cultivation in June 2013. Flowers odorless; sepals and petals yellow with brown-purple tint to apex, particularly outside; lip side lobes dark purple-brown, epichile pure white, sac yellow; column hite, purple with yellow at the base; anther light yellowish-green; pollinia light yellow.

FLORA OF LAOS

Bulbophyllum rufilabrum Par et Hook.f.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Creeping epiphyte on shady slope. Not common.

LA-VN 385b 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

Fl. in cult. in January 2015. Flowers odorless, sepals and petals brownish with purple tint, median sepal and petals – darker; lip brown-red, side lobes dark brown-purple to almost black; column and operculum yellowish, column at front on side margins – dark purple. Photos. 27 Jan 2015, L.Averyanov

FLORA OF LAOS
Orchidaceae
Sarcoglyphis mirabilis (Rchb.f.) Garay

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte on shady slope. Flower buds pinkish. Not common.

LA-VN 385a 14 March 2013 photos.
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Pomatocalpa angustifolia Seidenf.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte on shady slope on Streblus illicifolius. Flowers pale yellow. Very common.

LA-VN 385 14 March 2013 photos.
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Cleisostoma rostratum (Lindl.) Garay?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte. Common.

LA-VN 384 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Dendrobium oligophyllum Gagnep.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte. Not common.

LA-VN 383 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

Fl. in cult in April 2013. Flowers white, lip with greenish center.

FLORA OF LAOS
Orchidaceae
Rhynchostylis sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte. Not rare.

LA-VN 382 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Meliaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Tree 6-7 m tall. Flowers white. Common.

LA-VN 381 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Capparidaceae
Capparis sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Scandent shrub 3-4 m tall on open cliff, flowers white. Not common.

LA-VN 380 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Bignoniaceae
Mayodendron sp.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Deciduous treelet 1 m tall. Flowers red-orange. Not common.

LA-VN 379 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Myrsinaceae
Ardisia sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Treelet about 4 m tall in rather open place along stream. Flowers light purple. Occasional.

LA-VN 378 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Micropera poilanei (Guillaumin) Garay Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte on trees along stream. Not rare.

LA-VN 377 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Agrostophyllum planicaule (Wall. ex Lindl.) Rchb.f.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Epiphyte on tall trees. Common.

LA-VN 376 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS

Goodyera foliosa (Lindl.) C.B.Clarke

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E. Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m. Lithophytic herb in shady place. Leaves rigid, dark uniform green above, very light uniform green below. Not common.
LA-VN 375a 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

Flowered under cultivation in September 2013. Flowers pinkish. Averyanov L.

FLORA OF LAOS
Begoniaceae
Begonia vietnamensis H.Q.Nguyen et C.I.Peng?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Lithophytic herb in shady place. Leaves rigid, dark uniform green above, very light uniform green below. Not common.

LA-VN 375 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Asclepiadaceae
Hoya sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Semi-woody epiphytic vine to 7 m long. Flowers whitish, odorless. Common.

LA-VN 374 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Asclepiadaceae
Hoya oblongacutifolia Costantin

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Semi-woody epiphytic vine to 10 m long. Flowers white, fragrant. Corona purple. Not common.

LA-VN 373 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Asclepiadaceae
Dishydia sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Herbaceous epiphytic vine to 5 m long. Flowers white. Common.

LA-VN 372 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Begoniaceae
Begonia viscosa Aver, et H.Q.Nguyen

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Undershrub to 2 m tall in open rocky slopes and exposed cliffs place. Flowers light pink, fragrant. Anther and stigmas yellow. Very common.

LA-VN 371 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Acanthaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Undershrub to 1.5 m tall in rather open rocky place. Flowers light violet, Median tepal with dark violet spotting. Very common.

LA-VN 370 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Orchidaceae
Eria javanica (Sw.) Blume?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Lithophyte. Common.

LA-VN 369 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Araceae
Aglaonema sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Terrestrial herb to 1 m tall in shady rocky slope. Ripe fruits red. Common.

LA-VN 368 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Acanthaceae
Strobilanthes sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Undershrub to 1.5 m tall in shady place. Flowers blue. Not common.

LA-VN 367 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Combretaceae
Combretum sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Woody vine 3-4 m long. Fruits light greenish. Not common.

LA-VN 366 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Gesneriaceae
Rhynchothecum sp.?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Undershrub to 1 m tall. Very common.

LA-VN 365 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Cardiopteridaceae
Cardiopteris sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Herbaceous vine 3-5 m long in rather open place among secondary shrubs. Common.

LA-VN 364 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Menispermaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Caulifloric woody vine 15-20 m long. Fruits glossy green. Occasional.

LA-VN 363 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Convallariaceae
Peliosanthes sp.

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Terrestrial herb in shady place, Flower buds light greenish, small. Seeds ovate, glossy blue, 1 cm long. Occasional.

LA-VN 362 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Meliaceae?

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Treelet 4 m tall. Fruits dull yellow. Not common.

LA-VN 361 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Apocynaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Shrub 5 m tall with milky juice. Flowers dull green. Common.

LA-VN 360 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy

FLORA OF LAOS
Menispermaceae

Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.

Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.

Woody vine 10-15 m long. Flowers yellow-green. Occasional.

LA-VN 359 14 March 2013
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy