短序算珠豆 duan xu suan zhu dou

Subshrubs, erect, ca. 1 m tall. Stems and branches densely yellow tomentose and sparsely spreading white pubescent. Leaves 1-foliolate; petiole hairy as stem; blade cordate, 5.5-10 × 5-8 cm, both surfaces spreading pubescent, base cordate, apex acute, mucronate. Racemes short, axillary or terminal, simple or 1-branched at base, 4-5 cm, densely yellow tomen­tose and spreading straight pubescent. Pedicel 1.2-1.3 cm, spreading yellow villous. Calyx lobes lanceolate; upper 2 lobes connate, villous; tube short, ca. 1.5 mm. Standard obovate, 7.5-8 mm; wings falcate-oblong, ca. 6 mm; keel falcate-oblong. Ovary ca. 3 mm, 3- or 4-ovuled; style ca. 6 mm. Legume 3- or 4-jointed; articles ca. 3 mm in diam., rugose, adpressed pubes­cent; fruiting pedicel distinctly curved apically. Fl. and fr. Oct-Dec.

● Dry grasslands, mountain slopes; 100-500 m. Guangdong, Guangxi, S Yunnan.

Two of us (Ohashi and Iokawa) prefer to treat this entity as con­specific with Uraria cochinchinensis Schindler (Repert. Spec. Nov. Reg­ni Veg. 21: 14. 1925), which occurs in Cambodia, Laos, and Vietnam.