FLORA OF VIETNAM Orchidaceae Tainia hongkongensis (Rolfe) Tang et Wang
Vietnam, Quang Tri Prov., Da Krong Distr., Huc Nghi Municipality, in vicinities of La To village around point 16?29′16″N 107?00′32″E at elevation about 414 m a.s.l.
Primary broad-leaved evergreen lowland forest on montane hills composed with shale.