Prov. Cao Bang, Distr. Tra Linh, Subdistr. Quoc Toan, near Thang Heng lake in environs of Thang Hen and Lung Tao villages, 800-900m
Collection Date
4 Jan 1996
Type Herbaria
holotype Herbarium, V. L. Komarov Botanical Institute isotype HN isotype Herbarium, Missouri Botanical Garden isotype Herbarium Jutlandicum, University of Aarhus isotype Museum national d'Histoire naturelle