N. Vietnam, Son La prov., Moc Chau distr., Van Ho municipality, near Hua Tat village (20°46′35′'N, 104°46′31′'E). Primary broad-leaved evergreen closed forest on remnant limestone highly eroded ridge at elev. 1180-1250 m a.s.l. Lithophytic herb adpressed in crevices of vertical cliffs. Leaves deep velvety green above, light green below, margin pink, petiole reddish-brown. Flowers pink with reddish margin of tepals, anther yellow. Common.