银砂槐属 yin sha huai shu

Authors: Bojian Bao & Michael A. Vincent

Shrubs, silvery-white pubescent. Leaves paripinnate, spinescent at apex of rachis; stipules small; leaflets 1 or 2 pairs. Racemes terminal; bracts small, caducous or absent; bracteoles absent. Calyx tube short, campanulate; teeth subequal, upper 2 slightly joined. Standard circular, reflexed; wings obliquely oblong; keels incurved, 2 lobes free. Stamens 10, free; anthers versatile. Ovary sessile, few ovuled; style incurved, subulate; stigma terminal, small. Legume oblong or lanceolate, flat, narrowly winged along both sutures, indehiscent. Seeds 1 or 2, oblong or subcylindric.

About six species: N Asia; one species in China.

Lower Taxon

• Ammodendron bifolium (Pallas) Yakovlev