Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Vin village, Xuan Lien Natural Reserve. Primary broad-leaved evergreen humid forest on shale at elevation 1000-1200 m a.s.l. around point 19°58’51.6’’N 104°59’38.08’’E. Terrestrial herb in shady place. Fruits glossy dark green. Common.