Thua Thien ° Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°07'46"N 107°44'24"E. Remnants of primary evergreen broad-leaved lowland forest on very steep hill slopes and rocky river valley composed with stratified shale and sandstone at elev. about 50-70 m a.s.l. Terrestrial herb up to 1 m tall on shady river slopes. Locally very common. HAL 10951 6 Apr. 2007. Coll.: L.Averyanov, Phan Ke Loc, A.Averyanova, N.D.Phuong, L.V.Hung.
Coordinates (geographic position):16° 7′ 46″ N, 107° 44′ 24″ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048431 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048431