FLORA OF VIETNAM
Gesneriaceae
Hemiboea ovalifolia (W.T. Wang) A. Weber & Mich. Möller

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23°04ʹ38.6ʺN 104°56ʹ06.8ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Erect lithophytic herb to 2 m tall of shady mossy rocks. Flowers buds bracts light yellowish. Leaves below light green to dark purple-violet. Locally very common. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 872 (HN, LE01049775).