Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Lithophytic herb on shady vertical cliff. Common.
Record creation: 2021-05-13, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01122554 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122554