FLORA OF VIETNAM Zingiberaceae Hedychium samuiense P.Sirirugsa & Kai Larsen (Det. Ms Jill Cowley 19 11 2002 RBG KEW)
N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Primary broadleaved evergreen dry closed forest on very steep slopes of remnant karst limestone ridge at elev. 500-600 m a.s.l. Lithophytic forb up to 1.5 m hg on shady rocks outcrops. Flowers white, leaves below violet. Not common.