Lupinus lepidus var. ashlandensis |
Lupinus lepidus var. utahensis |
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Ashland lupine, Mt. Ashland lupine |
prairie lupine, stemless lupine, Utah lupine, Utah tidy lupine |
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Habit | Herbs 7–12 cm, hairs long-dense, appressed, silvery. | Herbs short-lived, 10–25 cm, matted, densely hairy. |
Stems | absent. |
very short or absent, densely tufted. |
Leaves | basal; leaflet blades 10–20 mm, surfaces with long, dense, silvery-appressed hairs. |
basal; leaflet blades 8–20 mm, surfaces densely hairy. |
Racemes | 3–8 cm (not including peduncle), slightly exceeding leaves, dense. |
(2–)3–6 cm, not exceeding leaves, dense. |
Peduncles | (3–)5–7.5 cm; bracts 5 mm. |
0–1.4(–2) cm; bracts 8–15 mm. |
Pedicels | 1 mm. |
0.4–1.5 mm. |
Flowers | in 9–13 whorls, 9–12 mm; calyx abaxial lobe 2–3 mm, adaxial lobe 5 mm; corolla blue-violet. |
in 2 or 3 whorls, 7–10 mm; corolla purple or violet, banner patch white, banner not or scarcely recurved, 2.5–3 mm wide, upper keel margins ciliate near tip. |
Legumes | 7–11 mm, pubescent. |
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Seeds | 2–4. |
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2n | = 48. |
= 48. |
Lupinus lepidus var. ashlandensis |
Lupinus lepidus var. utahensis |
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Phenology | Flowering Jun–Aug. | Flowering Jun–Aug. |
Habitat | Alpine slopes. | Mountain meadows, gravel bars, streambeds, lakeshores, sand or rocks, with sagebrush, lodgepole pine forests and above timberline. |
Elevation | 2100–2300 m. (6900–7500 ft.) | 1500–3500 m. (4900–11500 ft.) |
Distribution |
OR |
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY |
Discussion | Variety ashlandensis is known only from Mount Ashland in the Siskiyou Mountains of Jackson County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety utahensis is widespread in the Rocky and Great Basin mountains from central Idaho and western Montana southward to northwestern New Mexico and northeastern Arizona (Chuska Mountains in Apache County), westward to eastern Oregon, northern Nevada, and eastern Lassen County, California, and disjunct in the White Mountains on the California-Nevada border. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. aridus subsp. ashlandensis | L. aridus var. utahensis, L. amniculi-cervi, L. caespitosus, L. longivallis, L. psoraleoides |
Name authority | (B. J. Cox) Isely: Native Natural. Legum. U.S., 705. (1998) | (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) |
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