| Family | ARISTOLOCHIACEAE |
| Genus species | Asarum yakusimense Masam. |
| Synonyms | Heterotropa yakusimensis (Masam.) F.Maek. ex Nemoto |
| Habitat | thickets and woods |
| Description | leaves ca. 8cm long, deltoid-ovate, abaxially thinly pubescent, adaxially glabrous, flowers subsessile, 15-20mm, tube of perianth shortly cylindrical |
| Size | 5-10cm |
| Color | dark 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
|