FLORA OF VIETNAM
Orchidaceae
Callostylis rigida Blume

Vietnam, Quang Binh Prov., Minh Hoa Distr., Dan Hoa municipality, Giang Man Mountain, Vietnam-Laotian border, about 6 km to N of Cha Lo borders station, around point 17°41′09″N 105°45′54″E.

Primary broad-leaved forest on very steep slopes composed with brown shale at elevation 500-700 m a.s.l.

Creeping epiphyte on tall trees. Common.

HAL 11709 19 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang