Flora of North America species comparison

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Lupinus lepidus var. cusickii

Lupinus lepidus var. sellulus
Photo is of parent taxon

Cusick's lupine
Photo is of parent taxon

Donner Lake lupine, stool lupine
Habit Herbs 5(–10) cm, canescent, taprooted. Herbs 12–35 cm, silvery-silky-pubescent.
Stems

ascending-erect, several from taproot, profusely branched at base, elongated stem internode 1–3 cm.

short, prostrate to ± erect.
Leaves

basal and cauline;

leaflet blades 10–25 mm, surfaces hairy.

sub-basal;

leaflet blades 10–30 mm, surfaces gray-green to silvery-hairy.
Racemes

2–10 cm, not exserted beyond leaves, or only partially so, loose.

(2–)4.5–11(–15) cm, exserted beyond leaves, elongate.
Peduncles

1–6 cm (together with racemes 2–10 cm);

bract 2–3.5 mm.

1–3, 4–14 cm;

bracts 4–8 mm.
Pedicels

2.5–4 mm.

1–1.5 mm.
Flowers

in 6–9 whorls, 7–10 mm;

corolla bluish, banner not or scarcely recurved, 2.5–3 mm wide.

in 12–17 whorls, 8–9 mm;

corolla lavender or purple, banner patch yellow to white turning red.
2n

= 48.

= 48.

Lupinus lepidus var. cusickii

Lupinus lepidus var. sellulus
Phenology Flowering Jul. Flowering Jun–Aug.
Habitat Barren tuffaceous or gravelly clay bluffs and gullied riverbanks, usually associated with junipers, sagebrush, and Eriogonum. Dry rocks, open conifer forests, especially Jeffrey and ponderosa pine forests.
Elevation 1300–1500 m. (4300–4900 ft.) 1000–2500 m. (3300–8200 ft.)
Distribution
from FNA
ID; OR
from FNA
CA; ID; NV; OR
Discussion

Variety cusickii is known from a few populations near Unity in Baker County, Oregon (K. A. Weitemier 2010) and near Donnelly and McCall in Valley County, Idaho.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety sellulus is known from the southern Cascade Ranges and Sierra Nevada westward to the North Coast Ranges in northern California and southern Oregon, and eastward through the Owyhee Desert to the lower Snake River Plains in Idaho and the headwaters of the Humboldt River in Nevada.

(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. lepidus, L. lepidus var. lobbii, L. lepidus var. ramosus, L. lepidus var. sellulus, L. lepidus var. utahensis
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. utahensis
Synonyms L. cusickii, L. aridus var. cusickii, L. lepidus subsp. cusickii, L. longivallis L. sellulus, L. sellulus var. artulus, L. sellulus subsp. ursinus
Name authority (S. Watson) C. L. Hitchcock in C. L. Hitchcock et al.: Vasc. Pl. Pacif. N.W. 3: 315. (1961) (Kellogg) Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 256. (1989)
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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