Vientiane prov., Kasi distr., Si Sang Vone village, around point 19°06'10.9''N 102°10'46.1''E.
Secondary and primary evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-600 m a.s.l.
Lithophytic herb on open mossy rocks on steep rocky slope. Flowers white. Not common.
Record creation: 2020-11-04, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01088085 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01088085