FLORA OF VIETNAM Orchidaceae Tropidia angulosa (Lindl.) Blume
Northern Vietnam, Thanh Hoa Prov., Thach Thanh Distr., Thanh Yen Municipality, Mo village, around point 20°17′36′'N, 105°35′54′'. Primary evergreen seasonal broad-leaved lowland valley forest between limestone hills at elev. about 250 m a.s.l. Terrestrial herb in shady places. Occasional.