Lupinus leucophyllus |
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velvet lupine, white-leaf poison or velvet lupine, woolly-leaf lupine |
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Habit | Herbs, perennial, 4–9 dm, white-woolly and long-stiff-hairy. |
Stems | erect, clustered, unbranched or branched. |
Leaves | cauline, some clustered at base; stipules 6–15 mm; petiole 3–20 cm; leaflets 6–11, blades 30–90 × 6–19 mm, adaxial surface pubescent. |
Racemes | 8–30 cm; flowers dense, spiciform. |
Peduncles | 2–8 cm; bracts usually persistent, 3–12 mm. |
Pedicels | stout, 1–2 mm. |
Flowers | 10–13 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 3–8 mm, adaxial lobe 2-toothed, 3–6 mm; corolla lavender or purple to yellowish, often turning brown, banner patch yellow to brown, banner not much reflexed-recurved beyond midpoint, this less than 3 mm proximal to apex, banner densely hairy abaxially, lower keel margins glabrous, adaxial margin ciliate throughout. |
Legumes | 2–3.6 cm, hairy. |
Cotyledons | deciduous, petiolate. |
Seeds | 3–6, mottled gray-tan. |
2n | = 24, 48. |
Lupinus leucophyllus |
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Phenology | Flowering May–Aug. |
Habitat | Grassy hillsides, sagebrush flats, glades and meadows. |
Elevation | 500–2000 m. (1600–6600 ft.) |
Distribution |
CA; CO; ID; MT; NV; OR; UT; WA; WY; BC
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Discussion | Lupinus leucophyllus is known from southern British Columbia southward to northern California and eastward to western Montana, western Wyoming, and northwestern Colorado. It is considered toxic, and can form very dense stands. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. |
Parent taxa | Fabaceae > subfam. Faboideae > Lupinus |
Sibling taxa | |
Synonyms | L. canescens, L. canescens subsp. amblyophyllus, L. cyaneus, L. eatonianus, L. enodatus, L. erectus, L. falsoerectus, L. forslingii, L. holosericeus var. amblyophyllus, L. leucophyllus var. belliae, L. leucophyllus var. canescens, L. leucophyllus subsp. erectus, L. leucophyllus var. plumosus, L. leucophyllus var. retrorsus, L. leucophyllus var. tenuispicus, L. macrostachys, L. plumosus, L. retrorsus, L. tenuispicus |
Name authority | Douglas ex Lindley: Bot. Reg. 13: plate 1124. (1828) |
Web links |
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