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.
Coordinates (geographic position):22° 58′ 11.57″ N, 105° 5′ 11.26″ E ±1000 mRecord creation: 2020-01-05, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01066811 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01066811