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Asarum asperum is a species of flowering plant in the pipevine family, Aristolochiaceae. It is endemic to Japan, where it is found on Shikoku and in the western regions of Honshu. It is particularly common in the vicinity of Kyoto and Nara.
It is a perennial that produces thick evergreen leaves, which are ovate-orbicular and have a subhastate base. It produces ground-level maroon flowers, that are pollinated by insects. The flowering tube is prominently constricted at its apex. It blooms in April. It forms colonies on the forest floor, where it often grows co-occurs with Ainsliaea cordifolia, with which it bears a resemblance.
Wild Ginger · Canadian wildginger · British Columbia wildginger · Asarum crispulatum · European wild ginger · Hartweg's wildginger · Lemmon's wildginger · Marbled wildginger · Wild ginger · Birthwort Family · Asarum monodoriflorum · Wild Ginger
Text excerpted from the Wikipedia article Asarum asperum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
