| Family | ARISTOLOCHIACEAE |
| Genus species | Asarum megacalyx (F.Maek.) T.Sugaw. |
| Synonyms | Heterotropa megacalyx F.Maek. |
| Habitat | thickets and woods |
| Description | leaves long petiolate, ovate-sagittate or sagittate, 9-12cm long, acute, shiny, abaxially glabrous, perianth tubular-spherical, ca. 2cm, lobes patent, ovate |
| Size | 5-10cm |
| Color | purple |
| Bloom | early spring |
| Ca | |
| Type | carpet |
| 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 |
| Territory |
Asia-Temperate
Eastern Asia (Japan) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ARISTOLOCHIACEAE
|