| Family | ARISTOLOCHIACEAE |
| Genus species | Asarum takaoi F.Maek. |
| Bibliography | Bot. Mag. (Tokyo) 46: 578 (1932) |
| Native Range | Japan (Honshu, e. Shikoku) |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Description | leaves 1-3, reniform-orbiculate, ca. 25mm wide, dark green, flowers minute, 10-15mm across, tube of perianth short |
| Size | 5-10cm |
| Color | purple |
| Bloom | early spring |
| Ca | |
| Type | perennial |
| Cultivation | cold, shady site with a humous, moist soil alpine house, moist, humous soil, shade |
| Propagation | seed when ripe or as soon as possible division in early and late summer |
| Synonyms | Asarum fauriei var. takaoi (F.Maek.) T.Sugaw. Asarum hisauchii F.Maek. Asarum takaoi var. austrokiiense (Kinosh.) Yonek. Heterotropa hisauchii (F.Maek.) F.Maek. ex Nemoto Heterotropa takaoi (F.Maek.) F.Maek. Heterotropa takaoi var. austrokiiensis Kinosh. Heterotropa takaoi var. hisauchii (F.Maek.)) F.Maek. ex H.Ohba |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |