Lupinus sulphureus |
Lupinus concinnus |
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Kincaid's lupine, sulfur lupine, sulphur lupine |
bajada lupine |
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Habit | Herbs, perennial, (3–)4–8(–10) dm, hairs stiff to silky-appressed, whitish, grayish, or brownish. | Herbs, annual, 1–3 dm, spreading-pubescent. | ||||
Stems | erect, densely tufted, unbranched distally. |
ascending, tufted, or erect, branched or unbranched. |
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Leaves | basal and cauline, persisting until after flowering; stipules 4–8 mm; proximal petioles 4–20 cm, distal ones 1.5–5 cm; leaflets 6–15, blades white to greenish, (20–)25–70 × 4–10 mm, abaxial surface hairy-strigulose or sericeous, adaxial surface strigulose-silky to sparsely hairy or glabrous. |
cauline; petiole 2–7 cm, spreading-pubescent; leaflets 5–9, blades 10–30 × 1.5–8 mm, surfaces pubescent. |
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Racemes | 6–20 cm; flowers whorled or spirally arranged. |
1–18 cm; flowers spirally arranged, solitary axillary flowers also sometimes present. |
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Peduncles | 2.5–6 cm; bracts tardily deciduous, 5–9 mm. |
erect, 2–8 cm; bracts persistent, straight, 2.5–4 mm. |
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Pedicels | (2–)4–10 mm. |
0.7–2 mm. |
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Flowers | 8–12 mm; calyx asymmetrical but not spurred, silky, abaxial lobe entire, 4–7 mm, adaxial lobe 2-fid, 3–5 mm; corolla pale sulfur yellow, blue, or white, banner glabrous or sparsely hairy abaxially (pubescence extending above calyx as a line), upper keel margins usually ciliate most of length, sometimes glabrous. |
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 | 2–3 cm, pilose to silky. |
1–1.5 cm, pubescent. |
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Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
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Seeds | 4 or 5, pinkish brown. |
3–5. |
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2n | = 48. |
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Lupinus sulphureus |
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 |
w North America
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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 | Douglas in W. J. Hooker: Fl. Bor.-Amer. 1: 166. (1832) | J. Agardh: Syn. Lupini, 6, plate 1, fig. 1. (1835) | ||||
Web links |