S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14°39′N, 108°25′E). Primary broad-leaved wet evergreen forest on sandstone at elev. 1100-1200 m. Shrub 1.5-2 m hg. Flowers white with dirty pinkish calyx; filaments pink. Locally common.
VH 5322 18.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)