Astragalus pauperculus |
Astragalus peckii(synonym of Astragalus lentiformis) |
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Peck's milkvetch |
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Habit | Plants perennial, caulescent, with a thatch of stiff persistent petioles, grayish strigose-pilosulose, hairs basifixed. | |
Stems | several–numerous; erect when young, prostrate with age; (1)5–20 cm. |
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Leaves | 1–4 cm; leaflets 6–14, lanceolate, oblanceolate or linear-elliptic, 1–6 × 0.5–2 mm; tips acute or subacute; surfaces abaxially pubescent, adaxially pubescent or glabrescent; terminal leaflet confluent with rachis, filiform or slightly expanded, sometimes as recurved hook; stipules 1–3 mm, connate-sheathing. |
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Inflorescences | racemes loosely 5–9-flowered; peduncles 0.7–2 cm; bracts 1–1.5 mm; pedicels 1–2.5 mm; bracteoles 0. |
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Flowers | declined at anthesis; calyces 3.3–4.4 mm, densely strigillose with white hairs; tubes 1.8–2.1 mm; teeth subulate, 1.4–2.4 mm; corollas 5–7.5 mm, ochroleucous; banners purple-veined; ovules 7–9. |
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Fruits | bilocular, deflexed, oblong-ellipsoid; ovate-elliptic to lenticular, compressed triquetrous, 5–8 × 1.9–3.3 mm, strigose to villosulous; valves papery; stipes 0–0.5 mm. |
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Astragalus pauperculus |
Astragalus peckii |
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Distribution | ||
Discussion | Pumice and sandy soils, sagebrush. Flowering May–Aug. 900–1500 m. Casc, ECas, Lava. Native. Endemic to Oregon. This endemic species is notable for its small, purple-veined flowers; small, compressed triquetrous fruits; prominent connate stipules; and thatch of persistent petioles. |
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Source | Flora of Oregon, volume 2, page 671 Richard Halse |
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Sibling taxa | ||
Synonyms | Astragalus lentiformis | |
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