Определитель растений Средней Азии · 6-tom, 103-bet(vol. 6, p. 103)
Seksiya · Section
Astragalus sect. Sesamei
Tarqalishi (Podlech va Zarre) · Distribution (Podlech & Zarre)
Iran; Afghanistan
Tavsif · Description
Podlech & Zarre (2013), vol. I, p. 70Plants acaulescent, ± densely covered with thin, sometimes wrinkled to flexuose, often tangled, spreading white hairs 0.5−1.2 mm. Stipules hyaline, 2.5−3 mm, triangular-acuminate, very shortly adnate to the petiole, ciliate at the margins. Leaves 1.5−3.5 cm; petiole 0.5−1.5 cm, like the rachis sparsely hairy. Leaflets in (3−)4−5(−6) pairs, cuneate-obcordate, 3−6 × 1.5−2.8 mm, widely retuse, on upper side glabrous, on underside ± densely hairy. Racemes sessile or rarely with a peduncle up to 2 cm, a crowded 8−10-flowered head, sometimes with 1–2 additional, remote whorls of 2–5 flowers. Bracts 1−1.5 mm, narrowly triangular, hairy. Flowers nearly sessile. Calyx campanulate, c. 3 mm, covered at the base with subappressed hairs, in upper part densely with spreading hairs c. 0.5 mm; teeth subulate, c. 0.8 mm. Petals yellowish. Standard 3.5−4 mm; blade c. 1.5 mm wide, oblong, retuse. Wings c. 3.5 mm; blades narrowly oblong, obtuse, c. 2 × 0.8 mm; auricle c. 0.5 mm, claw c. 1.5 mm. Keel c. 3 mm; blades triangular-obovate, with strongly curved lower edge and slightly curved upper edge, c. 1.7 × 1 mm; auricle minute, claw c. 1.3 mm. Stamen-tube truncate at the mouth. Ovary sessile, hairy; style glabrous. Legumes sessile, ovoid, with widely rounded base, 5−6 mm long, 3−3.5 mm high and 2.5−3 mm wide, slightly keeled ventrally, deeply grooved dorsally, acuminate with an upcurved beak c. 0.5 mm, bilocular; valves covered with spreading hairs 0.7−1 mm. Seeds one in each locule, 1.5−2 × 1.5−1.8 mm, brown, smooth.