Northeastern Asian Flora
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Astragalus shiroumaensis Makino   (redirected from: Astragalus arakawensis Takeda)
Family: Fabaceae
[Astragalus arakawensis Takeda, moreAstragalus membranaceus var. obtusus Makino, Astragalus shinanensis Ohwi, Astragalus yezoensis Miyabe & Tatew.]
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  • Japan Flora
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Japan Flora: Stems tufted, ascending from a stout caudex, 15-30(-50) cm. long, with loose white and blackish brown pubescence; leaves 4-6 cm. long, petioled, the stipules nearly free, narrowly ovate, 3-5 mm. long, obtuse to acute, the leaflets 11-13, narrowly oblong, obtuse to rounded, glabrous on upper side, thinly white-pilose and with dark brown hairs on the midrib beneath; racemes rather densely 5- to 10 (-20)-flowered, on peduncles 5-8 cm. long, exceeding the leaves; flowers short-pedicelled; calyx about 4 mm. long, dark brown pubescent, the teeth short, triangular; legumes minutely appressed-puberulous with dark brown hairs, some­times glabrescent, subsessile, pendulous. July-Aug. Grassy and gravelly alpine slopes.

central mountains of Honshu; very rare.

Astragalus shiroumaensis
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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