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FOC | Family List | FOC Vol. 10 | Fabaceae | Astragalus

9. Astragalus oxyglottis Steven ex M. Bieberstein, Fl. Taur.-Caucas. 2: 192. 1808.

尖舌黄耆 jian she huang qi

Astragalus oxyglottis var. psiloglottis (Candolle) Bunge; A. psiloglottis Candolle.

Plants with appressed hairs 0.1-0.3 mm. Stems 2-25 cm, often glabrescent with age. Leaves 2-9 cm; stipules greenish membranous, 2-4 mm, hairy; petiole 1-2.5 cm, like rachis loosely hairy; leaflets in 4-8 pairs, cuneate-oblong to elliptic, 3-10 × 1.5-5 mm, abaxially loosely to rather densely hairy, adaxially glabrous or sparsely to loosely hairy, apex distinctly and mostly widely emarginate. Racemes sessile or with a pe­duncle up to 4 cm, headlike, densely 4-8-flowered, in well-developed plants often with 1 or 2 additional remote whorls of 2-4 flowers; bracts membranous, less than 0.5 mm. Calyx cam­panulate, 2-2.5 mm, white and black hairy; teeth 0.4-0.5 mm. Petals whitish or bluish to violet; standard elliptic, 5-6 × 2.5-3 mm, apex incised; wings 4-5 mm; keel 3-4 mm. Legumes star­like spreading or ascending, narrowly ovoid, 7-15 mm, 2.5-3.5 mm high and wide, sharply keeled ventrally and on sides of valves, grooved beside keels of valves, slightly vaulted, and with 2 shallow grooves dorsally, in cross section quadrangular, shortly acuminate; valves thin, blackish brown when ripe, at keels of valves distinctly transversely rugulose, glabrous or hairy.

Sandy, stony, and saline soils, gypsum, steppes, semideserts, fields; below 100-2600 m. Xinjiang [Afghanistan, Kazakhstan, Kyrgyz­stan, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, Europe (Spain, Ukraine)].


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