FLORA OF VIETNAM
Orchidaceae
Callostylis rigida Blume

Vietnam, Quang Tri Prov., Huong Hoa Distr., Huong Phung Municipality, vicinities of Sa Mui pass, around point 16°46′49″N 106°35′28″E at elevation about 600-700 m a.s.l.

Remnants of primary broad-leaved evergreen submontane forest along rocky river valley on shale rocks.

Creeping epiphytic vine 1-3 m long on tall trees. Flowers yellowish. Occasional.

HLF 5902 30 March 2006.

Coll. N.T.Hiep, L.Averyanov, P.K.Loc, P.V.The, N.S.Khang, P.H.Duc, L.T.Son, S.Bounphanmy, T.K.Ratana, O.Sonliya, T.Q.Dang, N.V.Hien, H.T.N.Trang, L.T.Chau.
Grant from Henry Luce Foundation.