FLORA OF VIETNAM Orchidaceae Rhomboda petelotii (Gagnep.) Ormerod Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Duc village, Xuan Lien Natural Reserve.
Primary broad-leaved evergreen forest on rocky limestone at elevation 800-1000 m a.s.l. around point 20°01′11.6″N 104°57′47.5″E.
Creeping terrestrial and lithophytic herb on shady very steep rocky slope. Leaves dark olive-greem to almost black with white median stripe. Very common.