Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Giang Man Ridge (Vietnam-Laos border) near Cha Lo Vietnam-Lao border gate around point 17°41'50"N 105°45'54"E. Primary evergreen broad-leaved wet forest on very steep mountain slopes and cliffs composed with shale and sandstone at elevation about 800-900 m a.s.l. Terrestrial herb to 1 m tall in shady slope. Not common. HAL 12249 5 February 2009. Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.
Coordinates (geographic position):17° 41′ 50″ N, 105° 45′ 54″ E ±1000 mRecord creation: 2019-05-30, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054867 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054867