FLORA OF VIETNAM Araceae Amorphophallus tonkinensis Engl. & Gehrm. 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 among shady rocks. Scape dull brownish with white spots, spathe olive-greenish, white spotted, female flowers green, male flowers and inflated apex white. Not common. 14 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 092.

All photos © L. Averyanov & K.S. Nguyen