Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460ºN 104.88377ºE steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial herb or undershrub to 3 m tall in wet humid places at the mountain base. Flowers dark blue-violet. Very common. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1406.
Coordinates (geographic position):23° 5′ 4.56″ N, 104° 53′ 1.57″ E ±1000 mComment:
Record creation: 2019-12-31, Аверьянов Леонид ВладимировичCitation: Specimen LE 01061093 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01061093