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22. Astragalus sect. Hemiphragmium (W. D. J. Koch) Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 21. 1868.
囊果组 nang guo zu
Phaca sect. Hemiphragmium W. D. J. Koch, Syn. Fl. Germ. Helv. 180. 1836.
Plants perennial, with ± well-developed stems, with basifixed hairs. Stipules free from petiole or shortly adnate, ± high connate behind stem. Racemes borne on short or mostly rather long peduncle, at anthesis dense, becoming loose. Bracteoles absent. Calyx campanulate. Petals lilac-violet or whitish, with violet-tipped keel, rarely yellowish white; wings deeply incised to bilobed at apex. Ovary with a stipe (1-)2-4 mm. Legumes with a rather long stipe rarely shorter than calyx, at least (2-)3-4 mm, pendulous, 1-locular or 2-locular; valves mostly membranous, glabrous.
Twenty-one species: China, Kazakhstan, Kyrgyzstan, Mongolia, Russia, Tajikistan; Europe; two species in China.
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Plants 5-17 cm tall, with exception of calyx subglabrous, with hairs 0.02-0.2 mm; leaflets 2-8 mm; petals lilac to violet; legumes bladderlike inflated, 15-25 mm, 8-10 mm high, shortly acuminate. |
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154 A. beketowii |
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Plants 20-50 cm tall, more densely hairy with hairs 0.2-1 mm; leaflets 8-22 mm; petals whitish with violet-tipped keel; legumes narrowly oblong, 12-18 mm, 4-5 mm high, with a hooked beak ca. 2 mm. |
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155 A. vaginatus |
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