Phou Khao Khouay National Protected Area to about 40 km NE of Vientiane. Dry evergreen primary and secondary forest along rocky stream on sandstone at elev. 350 m a.s.l. AL 159.1, 9 December 2015 L.Averyanov, T.Maisak. Living specimens.
Lithophytic dense-clustering herb on sandstone stream rocks. Flowers purple. Locally very common.
Record creation: 2020-06-06, Аверьянов Леонид ВладимировичCitation: Specimen LE 01073341 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01073341