FLORA OF VIETNAM
Orchidaceae
Spiranthes sinensis (Pers.) Ames

Vietnam, Lang Son Prov., Bac Son Distr., Tan Tri Municipality, around Na Mau village, Khau Kieng ridge composed with shale.

Secondary short tall grasslands and open secondary shrubs on ridge foothills at elevation 500-700 m a.s.l.

Terrestrial tuberiferous herb on open slopes. Flowers light pink to purple. Locally very common.

HAL 6791 15 March 2005.

Collectors: L.Averyanov, N.T.Hiep, P.V.The, A.Averyanova.