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. Open sandy slopes along forest river. Terrestrial fern with fronds up to 1.5 m lg. Very common. Commonest dominant of deforestrated dry slopes.
VH 5336 18.04.2000
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)