FLORA OF VIETNAM
Gesneriaceae
Lysionotus oblongifolius W.T. Wang

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460°N 104.88377°E steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial and lithophytic herb to 1 m tall in shady rocky place. Flowers blue. Occasional. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1405a ((HN, LE01061307, LE01066997).