FLORA OF VIETNAM
Orchidaceae
Dendrobium aduncum Lindl.?

Vietnam, Quang Binh Prov., Minh Hoa Distr., Dan Hoa municipality, Vietnam-Laotian border, about 3 km to S of Bai Dinh village, around point 17°44′46″N 105°46′28″E.

Primary and secondary broad-leaved evergreen forest on very steep slopes and on tops on remnant hills composed with highly eroded solid crystalline marble-like gray limestone at elevation 350-450 m a.s.l.

Lithophyte and epiphyte on mossy rocks on top of hills. Shoot and leaves with indistinct dirty-purple-violet marks. Not rare.

HAL 11832 23 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang