Lupinus latifolius |
Lupinus sierrae-blancae |
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broad-leaf lupine |
Sierra blanca lupine, White Mountain lupine |
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Habit | Herbs, perennial, 3–24 dm, not fleshy, green, glabrous or hairy. | Herbs, perennial, 6.5–15.2 dm, appearing green and glabrous but finely and inconspicuously pubescent. | ||||||||||||||||
Stems | erect or spreading, branched or unbranched. |
erect, solitary, branched, robust, succulent, hirsutulous. |
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Leaves | cauline, basal when present withered by anthesis; stipules 5–10 mm; petiole 4–20 cm; leaflets 5–11, blades 40–100 × 6–24 mm, abaxial surface ± hairy, adaxial surface glabrous or hairy. |
cauline; stipules 6–9 mm; proximal petioles 5–7 cm, withering, distal ones 3.5–6.5 cm; leaflets 7–10, blades 30–95 × 5–13 mm, abaxial surface finely strigulose, adaxial surface glabrate, yellow-green or gray-green. |
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Racemes | 16–60 cm; flowers whorled or spirally arranged. |
5–34 cm; flowers whorled or spirally arranged. |
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Peduncles | 8–20 cm; bracts deciduous, 8–12 mm. |
4–5 cm; bracts semi-deciduous, 5–7 mm. |
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Pedicels | 2–12 mm. |
2–8(–10) mm. |
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Flowers | 8–18 mm; calyx abaxial lobe entire or notched, 4–8 mm, adaxial lobe entire or 2-toothed, 5–10 mm; corolla blue or purple to white, banner patch usually white to yellowish turning purple, banner glabrous abaxially, lower keel margins usually ciliate, adaxial margin ciliate from claw to middle. |
10–14 mm; calyx abaxial lobe ± slightly gibbous, 9–15 mm, adaxial lobe slightly notched, 7–11 mm; corolla pale blue and whitish, banner with conspicuous darker spot, banner glabrous or hairy abaxially, keel falcate, often ± ciliolate distally. |
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Legumes | 2–4.5 cm, ± densely hairy. |
3.5 × 0.8–1 cm, hirsute. |
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Cotyledons | deciduous, petiolate. |
deciduous, petiolate. |
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Seeds | 6–10, mottled dark brown, 3–4 mm. |
5–7. |
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2n | = 48. |
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Lupinus latifolius |
Lupinus sierrae-blancae |
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Phenology | Flowering Jun–Aug. | |||||||||||||||||
Habitat | Meadows in pine or fir forests, roadsides. | |||||||||||||||||
Elevation | 1800–3100 m. [5900–10200 ft.] | |||||||||||||||||
Distribution |
w North America; nw Mexico
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NM |
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Discussion | Varieties 5 (5 in the flora). Various authors have differed in their circumscriptions of Lupinus latifolius. For example, P. K. Vaughn and D. B. Dunn (1977) recognized three varieties, D. Isely (1998) recognized six varieties, and C. L. Hitchcock et al. (1955–1969, vol. 3) recognized three varieties. The most conservative approach has been taken here by recognizing taxa that have the clearest characteristics, but that approach might not reflect phylogeny. Research is needed to clarify the varieties and particularly the relationships among L. latifolius and L. arcticus, L. perennis, and L. polyphyllus. Lupinus latifolius is known to cause birth defects in livestock (R. F. Keeler et al. 1977). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lupinus sierrae-blancae is known only from the Sierra Blanca and Sacramento Mountains in Lincoln and Otero counties. (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. rivularis var. latifolius | L. aquilinus, L. laetus, L. sierrae-blancae subsp. aquilinus | ||||||||||||||||
Name authority | J. Agardh: Syn. Lupini, 18. (1835) | Wooten & Standley: Contr. U.S. Natl. Herb. 16: 138. (1913) | ||||||||||||||||
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