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25. Astragalus sect. Ebracteolati N. D. Simpson, Notes Roy. Bot. Gard. Edinburgh. 8: 253. 1915.
无小苞组 wu xiao bao zu
Plants herbaceous, with developed stem; hairs basifixed. Stipules free from petiole and from each other. Inflorescence solitary on 1 stem. Pedicels 2-3.5 mm. Petals yellow; standard with a very short claw; wings as long as or shorter than standard, limbs rounded at apex, with a long, linear-acute auricle mostly as long as claw; keel often longer than wings. Legumes with a slender stipe 5-8 mm, 1-locular, with thin walls.
● Two species: China.
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Leaflets in 1 or 2 pairs, 8-20 × 7-13 mm; calyx rather densely covered with blackish brown hairs; legumes 15-18 mm, densely black hairy. |
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187 A. smithianus |
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Leaflets in 5-10 pairs, 5-14 × 3-5 mm; calyx sparsely covered with white and blackish hairs; legumes 18-28 mm, covered with blackish hairs 0.3-0.6 mm and with white hairs up to 1 mm. |
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186 A. craibianus |
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