FLORA OF VIETNAM
Acanthaceae

N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality,
vicinities of Kim Son village (N 21°48′ E 105°54′), 23.3 km to 18° of
Thai Nguyen city. Secondary open broadleaved forest and shrubs on very
steep rocky slopes of remnant karst limestone ridge at elev. about 100
m a.s.l. Shrublet about 1 m hg in shady wet place.

NTH 3872 24 Oct. 1999

Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.