FLORA OF VIETNAM
Gentianaceae
Exacum sp.

Son La Prov., Thuan Chau Distr., Ban Lam Municipality, Ban Lam village, around pick mountain Hua Bay, 21°12′45″N 103°46′44″E.

Secondary grasslands and open secondary shrubs on very steep mountain slopes composed with clay shale at elev. 1500-1700 m a.s.l.

Terrestrial herb in secondary shrubs and open secondary forest. Flowers white. Locally common.

HAL 9699 10 Nov. 2006 Photo.
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.