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6. Astragalus sect. Oxyglottis Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 10. 1868.
尖舌组 jian she zu
Plants annual, with basifixed hairs. Stipules shortly adnate to petiole. Inflorescences capitate, sometimes with additional whorls, or loose racemes. Flowers subsessile. Calyx shortly tubular to campanulate. Standard without distinct claw; wing limbs slightly emarginate at tip. Legumes sessile, often distinctly wider than high, keeled ventrally, widely flattened to deeply V-like grooved dorsally, with sharp edges or wings on back of valves, completely 2-locular.
Six species: Afghanistan, NW China, Pakistan, Russia; N Africa, C and SW Asia, Europe; two species in China.
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Inflorescences capitate, sometimes with additional, remote whorls; standard 5-6 mm; legumes as wide as high, with crenulate lateral edges. |
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9 A. oxyglottis |
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Inflorescence loosely racemose; standard 6-10 mm; legumes dorsiventrally flattened, ca. 2 × wider than high, with shortly dentate lateral wings. |
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10 A. vicarius |
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