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. Creeping herb on steep shady river slope. Leaves dark green. Not common. 10 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1545 (HN, LE01066811, LE01070159).
Fl. et coll. in horto 23 03 2021, L. Averyanov
Coordinates (geographic position):22° 58′ 11.57″ N, 105° 5′ 11.26″ E ±1000 mRecord creation: 2021-04-14, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01077029 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077029