N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thuong Hoa, Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Remnant open evergreen primary broadleaved forest along river in alluvial valley bottom between limestone ridges and mesas at 200 m alt. Terrestrial herb, leaves up to 1.2 m hg, inflorescence stalk about 0.6 m lg. Leaf stalk pale green with whitish spots and small deep green numerous marks. Ripe fruits deep blue. Not rare. VH 4803 18.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)