| Family | RANUNCULACEAE |
| Genus species | Clematis hirsutissima Pursh |
| Bibliography | Fl. Amer. Sept. 2: 385 (1813) |
| Native Range | wc. USA |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 700-3300m |
| Description | villose, stem leaves largest, 2-4-pinnatipartite, ultimate segments linear, flowers pendent, sepals 4-5, abaxially grey villose, adaxially glabrous, 2-3cm long, apex revolute |
| Size | 15-60cm |
| Color | dark violet-blue |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, germ. 3-12 months, 13-18°C half ripe cuttings in early summer |
| Synonyms | Anemone hirsutissima (Pursh) MacMill. Anemone ludoviciana Nutt. Anemone patens var. hirsutissima (Pursh) C.L.Hitchc. Clematis arizonica A.Heller Clematis bakeri Greene Clematis bigelovii var. arizonica (A.Heller) Tidestr. Clematis douglasii Hook. Clematis douglasii f. brevisepala Kuntze Clematis douglasii var. erectisepala Kuntze Clematis douglasii ssp. jonesii Kuntze Clematis douglasii f. pulsatilloides Kuntze Clematis douglasii var. rosea (Cockerell) Cockerell Clematis douglasii ssp. wyethii (Nutt.) Kuntze Clematis eriophora Rydb. Clematis hirsutissima var. arizonica (A.Heller) R.O.Erickson Clematis jonesii Rydb. Clematis scottii var. eriophora (Rydb.) Tidestr. Clematis wyethii Nutt. Coriflora hirsutissima (Pursh) W.A.Weber Pulsatilla hirsutissima (Pursh) Britton Pulsatilla ludoviciana (Nutt.) A.Heller Pulsatilla patens ssp. hirsutissima (Pursh) Zämelis Viorna arizonica (A.Heller) A.Heller Viorna bakeri (Greene) Rydb. Viorna douglasii (Hook.) Cockerell Viorna douglasii var. rosea Cockerell Viorna eriophora (Rydb.) Rydb. Viorna hirsutissima (Pursh) A.Heller Viorna jonesii (Kuntze) Rydb. Viorna wyethii (Nutt.) Rydb. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 76 Southwestern U.S.A. (ARI Arizona, UTA Utah) 77 South-Central U.S.A. (NWM New Mexico) |