Ha Giang Prov., Quan Ba Distr., Thai An Commune, Seo Lung Two Village, around point 22.96988ºN 105.08646ºE. Very steep mountain slopes composed of stratified shale and clayey subsoil at elevation 800–1000 m a.s.l. Primary and secondary evergreen broad-leaved humid forest. Terrestrial herb on shady very steep stream slope. Locally common. 10 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1525a.
Fl. et coll. in horto in 25 February 2021 by L. Averyanov & T. Maisak, VR 1525a.
Coordinates (geographic position):22° 58′ 11.57″ N, 105° 5′ 11.26″ E ±1000 mComment:
Record creation: 2021-11-10, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01090063 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01090063