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

5. Corethrodendron lignosum (Trautvetter) L. R. Xu & B. H. Choi, Fl. China. 10: 514. 2010.

木山竹子 mu shan zhu zi

Shrublets, 60-100 cm tall. Stems caespitose, erect. Stip­ules ovate-lanceolate, 4-5 mm, basally connate. Leaves 10-20 cm, (5-)11-21-foliolate; leaflet blades broadly linear, lanceo­late, or elliptic, 2-3 × 0.2-0.4(-0.6) mm, abaxially pubescent, adaxially sparely pubescent or glabrous. Racemes lax, with 8-12 flowers; bracts triangular, 1/4-1/3 as long as pedicel; pe­duncle longer than leaves. Pedicel 3-4 mm. Calyx campanulate, 4-5 mm, pubescent; teeth shortly triangular or triangular, ca. 1/3 or 1/2 as long as tube. Corolla purple; standard obovate, 1.8-2 cm; wings ca. 1/4 or 1/3 as long as standard; keels ± as long as wings. Ovary pubescent. Legume divided into 2 or 3 articles; articles ellipsoid, 4-6 × 3-4 mm, inflated, glabrous. Fl. Jul-Aug, fr. Aug-Sep.

Sandy areas. W Liaoning, Nei Mongol, E Ningxia, N Shaanxi, NW Shanxi [Mongolia].

1 Calyx teeth triangular, ca. 1/2 as long as tube; wings ca. 1/3 as long as standard   5a var. lignosum
+ Calyx teeth shortly triangular, ca. 1/3 as long as tube; wings ca. 1/4 as long as standard.   5b var. laeve

Lower Taxa


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