Lupinus arboreus |
Lupinus perennis |
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tree lupine, yellow bush lupine |
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Habit | Diffusely branched, shrubby perennial 1-2 m. tall, from deep, heavy roots, silky to pubescent. | |
Leaves | Leaves numerous; leaflets 5-11, oblanceolate, 3-6 cm. long, puberulent to silky. |
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Flowers | Inflorescence of numerous, loose racemes, 1-2.5 dm. long; flowers 14-18 mm. long, yellow, the banner often somewhat purplish; pedicles 4-9 mm. long; calyx puberulent, two-lipped; banner well reflexed, glabrous; keel sickle-shaped, with marginal hairs. |
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Fruits | Pods 4-6 cm. long and 1 cm. broad, hairy. |
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Lupinus arboreus |
Lupinus perennis |
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Flowering time | May-September | |
Habitat | Sandy soil at low elevations, often where disturbed. | |
Distribution | Occurring chiefly west of the Cascades crest in Washington in the lowlands and along the Pacific coast; British Columbia to California.
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Origin | Introduced from California, where native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |
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