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

2. Cercis racemosa Oliver, Hooker’s Icon. Pl. 19: t. 1894. 1889.

垂丝紫荆 chui si zi jing

Trees, 8-15 m tall. Trunk to 27 cm d.b.h., bark dark gray-brown. Young branchlets dark brown to black, rusty pubescent, lenticels scattered. Petiole 2-3.5 cm, moderately stout, glabrous or pubescent; leaf blade broadly ovate-orbicular, 6-12.5 × 6.5-10.5 cm, abaxially puberulent especially on principal veins, adaxially glabrous, principal veins 5, raised abaxially, reticulate veins conspicuous on both surfaces, base truncate or shallowly cordate, apex acute, slightly attenuate. Racemes solitary, pendu­lous, 2-10 cm, 6-20-flowered; peduncle and rachis hairy. Flow­ers 1-1.2 cm; pedicel 0.8-1 cm, slender. Calyx ca. 5 mm. Petals rose-red; standard tinged with deep reddish spots. Stamens in­cluded; filaments hairy at base. Legume slightly curved, com­pressed, oblong, 5-10 × 1.2-1.8 cm, wing 2-2.5 mm wide, dor­sal and ventral sutures subequal in length, basally attenuate, apex acute, with a beak 5-7 mm; stipe 3.5-4 mm; fruiting pedi­cel 1.3-1.5 cm. Seeds 2-9, compressed. Fl. May, fr. Oct.

● Dense forests, mountain slopes, roadsides, beside villages; 1000-1900 m. W Guizhou, W Hubei, Hunan, Shaanxi, E Sichuan, NE Yunnan.


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