FLORA OF VIETNAM Mapania aff. M. sinensis H. Uittien
N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Primary evergreen closed broadleaved forest along stream in alluvial valley bottom between limestone ridges and mesas at 200-250 m alt. Terrestrial woody sedge up to 2 m hg in wet shadow stream slope. Not common. VH 4689 16.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)