Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Duc village, Xuan Lien Natural Reserve. Primary broad-leaved evergreen forest on rocky, highly eroded, crystalline limestone at elevation 800-1000 m a.s.l. around point 20°01’11.6’’N 104°57’47.5’’E. Terrestrial and lithophytic herb with leaves to 1.5 m long and thick creeping ascending rhizome in very steep shady rocky slope. Rare.
Record creation: 2021-11-12, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01122812 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122812