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FOC | Family List | FOC Vol. 10 | Fabaceae | Flemingia

8. Flemingia macrophylla (Willdenow) Prain, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 66: 440. 1897.

大叶千斤拔 da ye qian jin ba

Crotalaria macrophylla Willdenow, Sp. Pl. 3: 982. 1802; Flemingia congesta Roxburgh ex W. T. Aiton; F. fer­ruginea Wallich ex Bentham; Maughania ferruginea (Wallich ex Bentham) H. L. Li; M. macrophylla (Willdenow) Kuntze.

Shrubs, erect, 0.8-2.5 m tall. Young branches densely ad­pressed silky villous. Leaves digitately 3-foliolate; stipules lan­ceolate, up to 2 cm, villous, with glandular striations, apex long acuminate, usually deciduous; petiole 3-6 cm, narrowly winged; petiolules 2-5 mm, densely hairy; leaflets papery to thinly pa­pery; terminal leaflet broadly lanceolate to elliptic, 8-15 × 4-7 cm, glabrous except for veins, abaxial surface with small dark brown sessile glands, basal veins 3, base broadly cuneate, apex acuminate; lateral leaflets smaller, oblique, base rounded at one side, cuneate on other. Racemes usually clustered at axil, 3-8 cm, with many clustered flowers; peduncle usually extremely short. Calyx campanulate, 6-8 mm, shortly very pale brown vil­lous; lobes linear-lanceolate, ca. 2 × as long as tube, lower one longest. Corolla purple, slightly longer than calyx; standard ob­long, shortly clawed, auriculate; wings narrowly elliptic, slen­derly clawed, one with auricle; keel oblong, long clawed, apex slightly curved. Ovary elliptic, with very pale brown hairs. Leg­ume elliptic, 10-16 × 7-9 mm, sparsely pubescent, apex with small acute beak. Seeds 1 or 2, glossy black, orbicular. Fl. Jun-Sep, fr. Oct-Dec. 2n = 22.

Disturbed meadows, roadsides, forest margins; 200-1800 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Jiangxi, Sichuan, Tai­wan, Yunnan [Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, Vietnam].

The glands on the fruit are separated after drying and are used as a purple or orange dye.


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