FLORA OF VIETNAM
Lamiaceae

N. Vietnam, prov. Cao Bang, distr. Tra Linh, municipality Co Muoi,
vicinities of Lung Dat village (N 22°51′ E 106°14′), about 22 km from
Cao Bang town to the N. Secondary open broadleaved forest and shrubs
on foothills of remnant limestone ridge at 600-650 m alt. Terrestrial
herb in open place. Flowers light violet. Common weed in the area.

CBL 1147 12 Dec. 1998

International Botanical Expedition of the U.S.A. National Geographic
Society (grant No 6300-98)

Collectors: Averyanov L., N.Q.Binh, N.T.Hiep, P.K.Loc, N.X.Tam.