FLORA OF VIETNAM
Orchidaceae
Calanthe densiflora?

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

Deeply degraded remnants of primary and secondary broadleaved evergreen wet forest with bamboo at elevation 800-1100 m a.s.l.

Terrestrial and lithophytic herb on shady wet rocky slope. Locally common.

HAL 6761 15 March 2005.

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