2. Flemingia fluminalis C. B. Clarke ex Prain, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 66: 438. 1897.
河边千斤拔 he bian qian jin ba
Flemingia strobilifera (Linnaeus) W. T. Aiton var. fluminalis (C. B. Clarke ex Prain) Thuan; Maughania fluminalis (C. B. Clarke ex Prain) H. L. Li.
Shrublets, erect, ca. 0.5 m tall. Branchlets densely pubescent and tomentose. Leaves simple; stipules lanceolate, 1-2 cm, apex with long mucro, persistent or deciduous; petiole usually 1-5 mm, hairy; leaf blade narrowly oblong to lanceolate, 5-9 × 1.5-2.5 cm, pubescent on both surfaces, lateral veins 5-8 pairs, base cuneate, apex rounded-obtuse or acute. Inflorescence a terminal or axillary thyrse, sometimes branched; inflorescence axis 5-10 cm, slightly curved, densely pubescent; cymules small, each enclosed by concave bract; bracts 1-1.5 × 1.8-2.2 cm, papery, both surfaces pubescent, base slightly cordate, apex obviously emarginate. Calyx 2-3 mm, pubescent, with scattered small dark brown sessile glands; lobes ovate, equal to or shorter than tube. Corolla yellow, ca. 6 mm; standard transversely elliptic, auriculate, base shortly mucronate; wings obovate, subequal to standard, one with auricle, long mucronate; keel elliptic, slightly curved, shorter and wider than wings, ca. 4 mm, apex shortly mucronate. Legume oblong-elliptic, ca. 7 × 5 mm, densely pubescent. Fl. Jan-May, fr. Feb-Sep.
Plains, mountain slopes. Guangxi, Sichuan, Yunnan [Bangladesh, India, Laos, Myanmar, Vietnam].
Flemingia fluminalis is used medicinally. It is included within the following species, F. strobilifera, by some authors.