米口袋状棘豆 mi kou dai zhuang ji dou

Herbs, ca. 15 cm tall, caulescent, with trichomes or gla­brous. Stems with 2-4 apparent internodes, many branched. Stipules lanceolate, rarely connate at base. Leaves 6-8 cm, ses­sile, 27-39-foliolate; leaflet blades ovate-elliptic, 5-10 × 2-4 mm, abaxially with appressed lax trichomes, adaxially gla­brous, base rounded, apex acute. Racemes few flowered; pe­duncle 6-8 cm; bracts linear, ca. 2 mm. Calyx broadly cylin­dric, 8-10 × 2-3 mm, with lax white trichomes; lobes subulate, 4-7 mm. Corolla yellow; standard 8-9 mm, lamina obovate, apex emarginate; wings shorter than standard, apex obliquely emarginate; keel ca. 6.7 mm, slightly shorter than wings, claw ca. 3.3 mm, beak ca. 1 mm. Legume stipitate; stipe ca. 7 mm; body ovoid, 2-2.5 × 0.5-0.6 cm, inflated, membranous, 1-loc­ular, glabrous or subglabrous, beak ca. 5 mm. Fl. Jun-Jul, fr. Jun-Jul.

● Grasslands on hillsides. Gansu, Shaanxi.