Flora of North America species comparison

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Lupinus lepidus var. utahensis

Lupinus lepidus var. aridus
Photo is of parent taxon

prairie lupine, stemless lupine, Utah lupine, Utah tidy lupine
Photo is of parent taxon

dry ground lupine, prairie lupine
Habit Herbs short-lived, 10–25 cm, matted, densely hairy. Herbs (7–)10–15(–35) cm, pilose to ± hirsute-bristly.
Stems

very short or absent, densely tufted.

loosely tufted, subacaulescent or shortly caulescent, rarely branched.
Leaves

basal;

leaflet blades 8–20 mm, surfaces densely hairy.

appearing basal;

leaflet blades (13–)15–28(–35) mm.
Racemes

(2–)3–6 cm, not exceeding leaves, dense.

3.5–20(–25) cm, usually partially exserted from leaves.
Peduncles

0–1.4(–2) cm;

bracts 8–15 mm.

0–4(–8) cm;

bracts 6–9 mm.
Pedicels

0.4–1.5 mm.

stout, 1–2.5(–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 6–14 whorls, 7–12.5 mm;

corolla pale blue or blue to blue-purple, banner recurved, reflexed, 3+ mm wide, wings (7–)8–12.5 mm.
2n

= 48.

= 48.

Lupinus lepidus var. utahensis

Lupinus lepidus var. aridus
Phenology Flowering Jun–Aug. Flowering (Apr–)May–Jun(–Jul).
Habitat Mountain meadows, gravel bars, streambeds, lakeshores, sand or rocks, with sage­brush, lodgepole pine forests and above timberline. Bluffs, barrens, sandy or gravelly hillsides among sagebrush, pinyon-juniper woodlands.
Elevation 1500–3500 m. (4900–11500 ft.) 200–2200 m. (700–7200 ft.)
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY
from FNA
AZ; CA; ID; NV; OR; UT; WA
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 aridus is found widely scattered over southeastern Oregon, southwestern Idaho, southward in Nevada to Washoe, Nye, and Lincoln counties, eastward into adjacent Iron and Washington counties in Utah, and northward in the Columbia Basin in Oregon and Washington; it is reported in northwestern Arizona and is rarely found in eastern California in Mono County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus lepidus Fabaceae > subfam. Faboideae > Lupinus > Lupinus lepidus
Sibling taxa
L. lepidus var. aridus, L. lepidus var. ashlandensis, L. lepidus var. confertus, L. lepidus var. culbertsonii, L. lepidus var. cusickii, L. lepidus var. lepidus, L. lepidus var. lobbii, L. lepidus var. ramosus, L. lepidus var. sellulus
L. lepidus var. ashlandensis, L. lepidus var. confertus, L. lepidus var. culbertsonii, L. lepidus var. cusickii, L. lepidus var. lepidus, L. lepidus var. lobbii, L. lepidus var. ramosus, L. lepidus var. sellulus, L. lepidus var. utahensis
Synonyms L. aridus var. utahensis, L. amniculi-cervi, L. caespitosus, L. longivallis, L. psoraleoides L. aridus, L. abortivus, L. aridus var. abortivus, L. brachypodus, L. hellerae, L. lepidus subsp. medius, L. lepidus var. medius, L. minimus var. hellerae, L. sellulus var. medius, L. volutans
Name authority (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) (Douglas) Jepson: Fl. Calif. 2: 268. (1936)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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