Lupinus shockleyi |
Lupinus citrinus |
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desert lupine, purple desert lupine, Shockley lupine |
fragrant lupine, orangeflower lupine |
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Habit | Herbs, annual, 0.4–3 dm, canescent, hairs 0.6–1 mm. | Herbs, annual, 1–6 dm, hairs soft, white, sometimes matted, to 2 mm. | ||||
Stems | erect or ascending, very short, tufted or spreading, branched. |
ascending or erect, branched or unbranched. |
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Leaves | cauline, crowded near base; stipules well developed; petiole 2–9 cm; leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous. |
cauline; petiole 2–7 cm; leaflets 6–9, blades 15–35 × 3–10 mm, adaxial surface densely pubescent to tomentose. |
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Racemes | several–many-flowered, 3–14 cm; flowers spirally arranged. |
5–25 cm; flowers spirally arranged, sometimes appearing whorled proximally. |
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Peduncles | 1–10 cm; bracts persistent, straight, 2–4 mm. |
1–9 cm; bracts deciduous, 2.5–5 mm. |
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Pedicels | 1–4 mm. |
2.5–5 mm, becoming recurved. |
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Flowers | 4.5–7 mm; calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft; corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous. |
8.5–12 mm; calyx 3–5 mm, lobes ± equal, cleft; corolla golden yellow or white, lower keel margins short-ciliate near claw. |
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Legumes | undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying. |
1–2 cm, glabrous or glabrate. |
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Cotyledons | persistent, disclike, sessile. |
deciduous, petiolate. |
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Seeds | 2, wrinkled. |
3–8, resembling bits of granite. |
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Lupinus shockleyi |
Lupinus citrinus |
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Phenology | Flowering spring (Apr–Jun). | |||||
Habitat | Dunes, sandy areas, washes, playas. | |||||
Elevation | 0–1500 m. (0–4900 ft.) | |||||
Distribution |
AZ; CA; NV
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California |
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Discussion | Lupinus shockleyi occurs in the desert areas of southern California, adjacent areas of southern Nevada, and northwestern Arizona. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). Lupinus citrinus is known from the central Sierra Nevada Foothills. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 11. | FNA vol. 11. | ||||
Parent taxa | Fabaceae > subfam. Faboideae > Lupinus | Fabaceae > subfam. Faboideae > Lupinus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 22: 470. (1887) | Kellogg: Proc. Calif. Acad. Sci. 7: 93. (1877) | ||||
Web links |