Lupinus sparsiflorus |
Lupinus onustus |
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Plumas lupine |
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Habit | Plants perennial, 1–3 dm. | |
Stems | decumbent to ascending, not woody, glabrous to inconspicuously pubescent. |
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Leaves | mostly sub-basal; leaflets 5–9, 15–50 × 7–19 mm, obovate to oblanceolate; tips acute, apiculate; surfaces abaxially strigose, adaxially glabrate; petioles (4.5)7–16 cm. |
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Inflorescences | (6)7.1–19.6(36) cm; peduncles (3.5)5–9.7 cm; pedicels 4–8 mm. |
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Flowers | calyces 5–8 mm, not spurred; lips subequal; corollas 6–12 mm, blue to violet; banners cup type; spot absent. |
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Fruits | 20–50 mm, pilose. |
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Seeds | 2–4. |
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Lupinus sparsiflorus |
Lupinus onustus |
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Distribution | ||
Discussion | Pine forests, serpentine. Flowering Apr–Jul. 50–1600 m. Sisk. CA. Native. This species may hybridize with other co-occurring perennial Lupinus species. |
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Source | Flora of Oregon, volume 2, page 704 Paul Severns, Stephen Meyers, Christopher Royce |
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Sibling taxa | ||
Synonyms | Lupinus mucronulatus, Lupinus mucronulatus var. mucronulatus, Lupinus oreganus var. pusillulus | |
Web links |