Vientiane prov., Kasi distr., between Pa Chao and Nam Ken villages, Pa Chao Mt., around point 19°19'50.6''N 102°21'20.5''E. Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1100 m a.s.l. Terrestrial tuberiferous herb in open grassy place along forest border. Flowers light brownish, lip white with purple nerves and yellow center. Not common. LA-VN 1687 26 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° 19′ 50.6″ N, 102° 21′ 20.5″ E ±1000 mComment:
Record creation: 2021-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01090142 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01090142