Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13′02.1′'N 103°24′23.3′'E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Erect terrestrial herb or herbaceous vine to 3 m long on shady rocky slope. Not rare. Widely collected for sale as a medicinal plant of oriental medicine. LA-VN 1278 11 April 2015 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.
Координаты:20° 13′ 2.1″ N, 103° 24′ 23.3″ E ±1000 mСоздание записи: 2021-12-02, Tatiana Maisak, PhotoScan D2Цитирование: Образец LE 01077629 // Виртуальный гербарий Ботанического института им. В. Л. Комарова РАН — http://rr.herbariumle.ru/01077629