Houphan Prov., Hem Distr., Nacoc village, Pu He mountain around point 20°10′36.7′'N 103°11′39.2′'E. Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes co Terrestrial herb on steep shady slope to 0.5 m tall. Flowers dark brown-violet. Locally common. LA-VN 1378 12 April 2015 photo Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.
Coordinates (geographic position):20° 10′ 36.7″ N, 103° 11′ 39.2″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077621 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077621