FLORA OF VIETNAM Acanthaceae Strobilanthes hossei C.B.Clarke Det.: Yun-Fei, Deng 2008
N. Vietnam, Hoa Binh prov., Mai Chau distr., Hang Kia municipality, near Pa Khong village, (20°44′40′'N, 104°52′32′'E). Primary broad-leaved evergreen dry forest with Pinus kwangtungensis along tops of highly eroded remnant karst limestone ridge at elev. 1300-1440 m a.s.l. Terrestrial herb up to 0.5 m. Very common. Usual codominante of herb forest stratum. Flowers blue.