Lupinus formosus |
Lupinus concinnus |
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summer lupine, western lupine |
bajada lupine |
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Habit | Herbs, perennial, 12–8 dm, densely hairy to tomentose, gray to silver; rhizomes 3–7 mm diam. | Herbs, annual, 1–3 dm, spreading-pubescent. | ||||
Stems | ascending, spreading, or erect, branched. |
ascending, tufted, or erect, branched or unbranched. |
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Leaves | cauline; stipules not leaflike, green to silvery, 4–15 mm; petiole 2–7 cm; leaflets 7–9, blades 25–70 × 6–14 mm, adaxial surface pubescent. |
cauline; petiole 2–7 cm, spreading-pubescent; leaflets 5–9, blades 10–30 × 1.5–8 mm, surfaces pubescent. |
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Racemes | 10–30 cm; flowers ± whorled. |
1–18 cm; flowers spirally arranged, solitary axillary flowers also sometimes present. |
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Peduncles | 3–7 cm; bracts deciduous, 4–14 mm. |
erect, 2–8 cm; bracts persistent, straight, 2.5–4 mm. |
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Pedicels | 3–7 mm. |
0.7–2 mm. |
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Flowers | 10–18 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 8–12 mm, adaxial lobe 2-toothed, 7–11 mm; corolla purple, banner patch white or not, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip. |
5–12 mm; calyx 3–5 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft; corolla usually pink to purple, rarely white, banner spot white or yellowish, keel usually glabrous, rarely with few, minute cilia on lower margins. |
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Legumes | 3–4.5 cm, hairy. |
1–1.5 cm, pubescent. |
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Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
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Seeds | 5–7, mottled brown, 4–7 mm. |
3–5. |
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2n | = 48. |
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Lupinus formosus |
Lupinus concinnus |
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Phenology | Flowering spring. | |||||
Habitat | Open or disturbed areas, often following burns. | |||||
Elevation | 0–1600 m. (0–5200 ft.) | |||||
Distribution |
nw Mexico; California
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AZ; CA; NM; NV; TX; UT; Mexico (Baja California, Baja California Sur, Sonora)
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
In Texas, Lupinus concinnus is known from the trans-Pecos region; in California it is more common in the central and southern areas. Lupinus concinnus is a highly variable, predominantly self-pollinated complex and the named varieties cannot be consistently segregated. Desert plants with linear, coarsely hairy leaflets and few, minute cilia on lower keel margins (at times recognized as var. desertorum) may be confused with L. sparsiflorus. (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 | ||||||
Synonyms | L. agardhianus, L. concinnus var. agardhianus, L. concinnus var. desertorum, L. concinnus subsp. optatus, L. concinnus var. optatus, L. concinnus subsp. orcuttii, L. concinnus var. orcuttii, L. concinnus var. pallidus, L. pallidus | |||||
Name authority | Greene: Fl. Francisc., 42. (1891) | J. Agardh: Syn. Lupini, 6, plate 1, fig. 1. (1835) | ||||
Web links |
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