FLORA OF VIETNAM Begoniaceae Begonia crassula Aver., sp.nov. Paratype
Quang Binh Prov., Tuyen Hoa Distr., Lam Hoa municipality, Chuoi village, around point 17°56′51”N 105°49′18”E.
Primary broadleaved evergreen dry forest on very steep slopes and on tops of rocky ridge composed with highly eroded crystalline limestone at elev. 200-250 m a.s.l.
Lithophytic herb to 0.5 m tall on open rocks along rocky ridge. Flowers pinkish, leaves uniform glossy green to gray, succulent white. Not rare.