FLORA OF VIETNAM Orchidaceae Calanthe triplicata (Willem.) Ames
Northern Vietnam, Ninh Binh Prov., Nho Quan Distr., Cuc Phuong Municipality, Cuc Phuong National Park, about 1.5 km N from Bong locality, 20°21′01′'N, 105°35′38′'E. Remnants of primary closed evergreen seasonal broad-leaved lowland forest on rocky slopes of stream valley between limestone hills at elev. about 450 m a.s.l. Terrestrial herb in shady place. Flower buds white. Common.