Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06'10.9''N 102°10'46.1''E. Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-700 m a.s.l. Terrestrial herb on steep shady rocky slope. Flowers greenish to light dirty violet, spadix axis fleshy, dull olive-violet. Fruit glossy blue. Locally common. LA-VN 1794 28 March 2017 Photos Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.
Coordinates (geographic position):19° 6′ 10.9″ N, 102° 10′ 46.1″ E ±1000 mRecord creation: 2019-03-31, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01049946 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049946