FLORA OF VIETNAM
Acanthaceae

N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Hong Municipality,
around point 18°34′06′'N, 105°11′40′'E. Primary broad-leaved evergreen
forest on steep mt slopes composed with granite along Khe Van stream
at elev 400-450 m a.s.l.

Terrestrial herb up to 0.6 m tall in open place. Flowers blue. Very
common.

HAL 5209 8 May 2004

Collectors: P.K.Loc, L.Averyanov, P.V.The, N.T.Vinh.