Begoniaceae

Begonia laminariae Irmscher

Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Dau Cau 1 village, around point 23º05ʹ26.3ʺN 105º01ʹ03.0ʺE, 1100-1150 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on steep rocky slopes near mountain tops. Terrestrial and lithophytic herb in shady place. Petioles pink, leaves uniformly light green. Occasional. 14 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 099.