| Family | ARISTOLOCHIACEAE |
| Genus species | Asarum dimidiatum F.Maek. |
| Bibliography | J. Jap. Bot. 12: 28 (1936) |
| Native Range | wc. & s. Japan |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Description | leaves caducous, long petiolate, cordate, flowers solitary, shortly pedicellate, 15mm across, lobes of perianth triangular |
| Size | 10-15cm |
| 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 sieboldii var. dimidiatum (F.Maek.) T.Sugaw. Asiasarum dimidiatum (F.Maek.) F.Maek. |
| Territory | 3 Asia-Temperate 38 Eastern Asia (JAP Japan) |