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. Adpressed lithophytic forb on shady cliffs. Leaves above light green with irregular palmate deep green spot, below light green, often with irregular wiolet spot. Petiole red. Flowers and fruits pink. Common.