FLORA OF VIETNAM Apiaceae Hydrocotyle tonkinensis Tardieu
N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Quang Vinh (N 22°51′ E 106°14′), about 21 km from Cao Bang town to the N. Secondary open evergreen broadleaved wet forest on steep slopes and cliffs of remnant limestone ridge at 650 m alt. Terrestrial and epilite herb up to 30 cm hg in open wet place. Flowers greenish. Not rare.
CBL 1025 10 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)