| Family | ARISTOLOCHIACEAE |
| Genus species | Asarum caudatum Lindl. |
| Bibliography | Edwards‘s Bot. Reg. 17: t. 1399 (1831) |
| Native Range | c. British Columbia to c. California |
| Primary Biome | Temperate |
| Habitat | thickets and woods |
| Altitude | 0-2200m |
| Description | leaves cordate, shiny and rather hirsute, 8-15cm long, petiole 15-20cm long, corolla about 10mm in diam., lobes acuminate, outside hirsute |
| Size | 5-15cm |
| Color | dark purple |
| Bloom | early spring |
| Ca | ind |
| 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 caudatum f. chloroleucum R.Palmer Asarum hookeri Fielding & Gardner Asarum rotundifolium Raf. |
| Territory | 7 Northern America 71 Western Canada (BRC British Columbia) 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (CAL California) |