Subfamily
Asaroideae
Asarum hartwegii. Photo: (c) randomtruth, some rights reserved (CC BY-NC-SA)
The Aristolochiaceae (English: /əˌrɪstəˈloʊkiəsii/) are a family, the birthwort family, of flowering plants with seven genera and about 400 known species belonging to the order Piperales. The type genus is Aristolochia L.