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

1. Ammodendron bifolium (Pallas) Yakovlev, Bot. Zhurn. (Moscow & Leningrad). 57: 592. 1972.

银砂槐 yin sha huai

Sophora bifolia Pallas, Sp. Astragal. 124. 1803; Ammo­dendron argenteum Kuntze; A. sieversii Candolle, nom. illeg. superfl.; Podalyria argentea Willdenow; Robinia argentea Sievers; S. argentea Pallas (1797), not Salisbury (1796).

Shrubs, 30-150 cm tall. Branches and leaves gray-white pubescent. Leaves paripinnate, 2-foliolate, terminal one be­coming spinose; stipules spinose, persistent, 1-2 mm; petiole equal to leaflets in length; leaflets opposite, without stipel, obovate-oblong or obovate-lanceolate, 10-15 × 4-10 mm, gray-white sericeous on both surfaces, narrowing to cuneate at base, obtuse and rigidly mucronate at apex. Racemes terminal, 3-5 cm. Pedicel 4-8(-10) mm. Calyx shortly cup-shaped, triangu­lar 5-toothed. Corolla dark purple, 5-7 mm; standard orbicular, shorter; wings oblong-obovate; keels obtuse at apex. Stamens 10, free and persistent. Ovary pubescent. Legumes flat, ob­long-lanceolate, 18-20 × 5-6 mm, glabrous or pilose on stalk, 2-winged along suture, indehiscent, with 1 or 2 seeds. Fl. May-Jun, fr. Jun-Aug.

Dry stony regions. Xinjiang [Russia].


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