矮灰毛豆 ai hui mao dou

Galega pumila Lamarck, Encycl. 2: 599. 1788.

Herbs, annual or perennial, procumbent or straggling, 20-30 cm tall. Stems thin and hard, ridged, densely spreading stri­gose. Stipules 3-4 mm. Leaves 7(-13)-foliolate; rachis 2-4 cm, including petiole 3-10 mm; leaflet blades narrowly obovate to oblanceolate, 1.2-2 × 0.4-0.8 cm, abaxially strigose, adaxially appressed pubescent, secondary veins 6 or 7 on each side of midvein and obscure, base cuneate, apex truncate to obtuse and cuspidate. Pseudoracemes terminal or opposite a leaf, ca. 2 cm, strigose, with 1-3 flowers. Pedicel 2.5-4 mm. Flowers ca. 6 mm. Calyx ca. 3 × 2 mm. Corolla white, yellow, or rarely pale pink; standard orbicular, pilose. Ovary with trichomes, with nu­merous ovules. Legume linear, 3.5-4 cm × ca. 4 mm, shortly strigose, apex slightly ascending curved and with a beak; style remnant sharply reflexed. Seeds 8-14 per legume, brown, ob­long-rhomboid, ca. 4 × 3 mm, mottled. Fl. and fr. year-round. 2n = 22, 44.

Sunny places on slopes or trailsides; ca. 500 m. Guangdong [tropi­cal Africa, Asia, and N Australia].