FLORA OF LAOS
Gentianaceae
Exacum sp.

Vientiane Prov., Vang Vieng Distr., Phoudindeng village, 1-2 5 km to the E of Vang Vieng town around point 18°57′48.7”N 102°27′34.0”E.

Dry broad-leaved secondary evergreen forest with bamboo on low hills composed by shale at elevation about 400 m.

Terrestrial herb 20-30 cm tall in open slope. Flowers white. Locally common.

LA-VN 337 13 March 2013
Coll.: N.T.Hiep, L.Averyanov, S.Lanorsavanh, N.S.Khang, P.V.The, S.Lorphengsy