Luang Prabang prov., Ngoy distr., Ngoy village, around point 20°42'52.9''N 102°41'15.5''E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 800-900 m a.s.l. Climbing shrub in open place of rocky slope among secondary shrubs. Flowers white. Common weed.
Record creation: 2023-10-06, Galina Savich, PhotoScan D2.Citation: Specimen LE 01233980 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01233980