FLORA OF VIETNAM
Acanthaceae
Justicia quadrifaria (Nees) T.Anderson

Det. Dr Kaj Vollesen 26.10.2004

N. Vietnam, Ha Giang prov., Dong Van distr., Tu Tinh municipality (N
23°05′ E 105°15′), 40.7 km to 43° of Ha Giang city. Remnants of dry
broadleaved evergreen forest on steep slopes and cliffs near the top
of karst limestone isolated mesae at elev. 600-750 m a.s.l. Lithophyte
shrublet 0.5-1 m hg. Flowers white with violet marks. Not rare.

NTH 3541 10 Oct. 1999

Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.