Lupinus lepidus var. utahensis |
Lupinus lepidus var. culbertsonii |
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prairie lupine, stemless lupine, Utah lupine, Utah tidy lupine |
hockett meadows lupine |
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Habit | Herbs short-lived, 10–25 cm, matted, densely hairy. | Herbs 15–40 cm, greenish, sparsely pilose or villous. |
Stems | very short or absent, densely tufted. |
absent or short, decumbent. |
Leaves | basal; leaflet blades 8–20 mm, surfaces densely hairy. |
greenish, basal, also with a few cauline tufts; leaflet blades usually 10–30 mm, surface sparsely pilose. |
Racemes | (2–)3–6 cm, not exceeding leaves, dense. |
4–9(–12) cm, exserted beyond leaves, usually open. |
Peduncles | 0–1.4(–2) cm; bracts 8–15 mm. |
8.5–16 cm; bracts 4–5 mm. |
Pedicels | 0.4–1.5 mm. |
2–3 mm. |
Flowers | 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. |
in 3–7 whorls, well spaced, (9–)10–11.5 mm; corolla blue, banner patch white to light yellow. |
2n | = 48. |
= 48. |
Lupinus lepidus var. utahensis |
Lupinus lepidus var. culbertsonii |
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Phenology | Flowering Jun–Aug. | Flowering Jun–Aug. |
Habitat | Mountain meadows, gravel bars, streambeds, lakeshores, sand or rocks, with sagebrush, lodgepole pine forests and above timberline. | Mesic sites beneath lodgepole pine, meadows and seeps on granitic and limestone rocky sites. |
Elevation | 1500–3500 m. (4900–11500 ft.) | 1900–3600 m. (6200–11800 ft.) |
Distribution |
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY |
CA |
Discussion | 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.) |
Variety culbertsonii is found in the southern Sierra Nevada (Kaweah River, Fresno and Tulare counties, and Kings Canyon and Sequoia national parks). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | L. aridus var. utahensis, L. amniculi-cervi, L. caespitosus, L. longivallis, L. psoraleoides | L. culbertsonii |
Name authority | (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) | (Greene) C. P. Smith: Bull. Torrey Bot. Club 51: 304. (1924) — (as culbertsoni) |
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