FLORA OF VIETNAM
Orchidaceae
Oberonia ensiformis (J.E.Smith) Lindl.

N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 800-850 m a.s.l.

Remnants of primary broad-leaved evergreen and coniferous forest along tops of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone.

Lithophytic herb on vertical cliff. Not rare.

HAL 5743 14 June 2004

Collectors: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.