Lupinus breweri |
Lupinus succulentus |
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Brewer's lupine, Matted lupine |
arroyo lupine, hollowleaf annual lupine, succulent lupine |
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Habit | Herbs or subshrubs, perennial, to 2 dm, matted or tufted, silvery-silky. | Herbs, annual, sometimes persisting more than one season, (1–)2–10 dm, fleshy, sparsely pubescent. | ||||||||
Stems | prostrate, branched, base ± woody. |
ascending or erect, branched or unbranched, usually succulent. |
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Leaves | cauline, clustered near base; stipules 2–5 mm; petiole 1–5(–6) cm; leaflets 5–10, blades 3–20 × 2–6 mm, adaxial surface pubescent. |
cauline, may be crowded at base on new growth; petiole 6–15 cm; leaflets 7–9, blades 20–60 × 7–20 mm, adaxial surface glabrous. |
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Racemes | dense, 1–10 cm; flowers whorled. |
15–25 cm; flowers whorled. |
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Peduncles | 1–3(–8) cm; bracts deciduous, 3–5 mm. |
5–9 cm; bracts deciduous, 3–5 mm. |
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Pedicels | 1–3(–4) mm. |
3–7 mm. |
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Flowers | 4–11 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 4–6 mm, adaxial lobe 2-toothed, 4–7 mm; corolla blue to violet, banner patch white or yellow, banner glabrous or densely hairy abaxially, keel straight, abaxial margins glabrous, adaxial margin glabrous or ciliate. |
12–18 mm; calyx 4–7 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft; corolla usually blue-purple, rarely white, lavender, or pink, banner spot white, becoming magenta, upper wing margins ciliate near claw, lower and upper keel margins ciliate near claw. |
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Legumes | 1–2 cm, silky. |
3.5–5 cm, coarsely pubescent to tomentose. |
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Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
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Seeds | 3 or 4, mottled tan, brown, 3–4 mm. |
6–9. |
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2n | = 48. |
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Lupinus breweri |
Lupinus succulentus |
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Phenology | Flowering late winter–late spring (Feb–May). | |||||||||
Habitat | Open or disturbed areas, roadbanks. | |||||||||
Elevation | 0–1300 m. (0–4300 ft.) | |||||||||
Distribution |
w United States
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AZ; CA; Mexico (Baja California, Baja California Sur)
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Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus succulentus occurs widely throughout California except in the Great Basin and desert regions and extends into northern Mexico; it is introduced in Arizona. It may occasionally persist more than one season in Californian North Coast locations. (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 | ||||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | L. succulentus var. brandegeei, L. succulentus var. layneae | |||||||||
Name authority | A. Gray: Proc. Amer. Acad. Arts 7: 334. (1868) | Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861) | ||||||||
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