FLORA OF VIETNAM Orchidaceae Dendrobium dentatum Seidenf.
Northern Vietnam, Ninh Binh Prov., Nho Quan Distr., Cuc Phuong Municipality, Cuc Phuong National Park, arouund point 20°14′52′'N, 105°40′35′'. Remnants of prinary evergreen seasonal broad-leaved lowland dry forest on imestone hills at elev. about 300-350 m a.s.l. Lithophytic herb on mossy open rocks on top of hill. Flowers white. Very common.