S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14°39′N, 108°25′E). Open secondary short tall grassland along river at elev. 1100 m. Very common. Usual codominant of middle tall secondary grasslands.
VH 5475 20.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)