Vasilis Teodoridis:
Fabaceae | Caragana
10. Caragana bicolor Komarov; Trudy Imp. S.-Peterburgsk. Bot. Sada. 29: 299. 1909.
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?Caragana limprichtii Harms.
Shrubs to 3 m tall. Old branches grayish brown to dark gray; current-year branchlets brown. Leaves pinnate; 8-16-foliolate; petiole and rachis 1.5-5 cm; persistent on long branchlets; caducous on short branchlets; leaflet blades obovate-oblong to elliptic; 3-8 x 2-4 mm; appressed pubescent when young but later only abaxially pilose; apex obtuse to acute. Flowers solitary or in pairs on a peduncle. Pedicel 1-2 cm; articulate near middle. Calyx tube dark brown; campanulate; 0.8-1.2 cm. Corolla yellow but standard violet-purple when dry; 2-2.2 cm; standard obovate; claw ca. 1/2 as long as limb; apex emarginate; wings with claw shorter than limb; auricle 1; slender; and slightly shorter than claw; keel with a claw ± as long as limb; auricle dentiform and small. Ovary densely pubescent. Legume cylindric; 3-4 cm; outside pilose; inside densely pubescent; apex acuminate. Fl. Jun-Jul; fr. Sep-Oct. 2n = 16*.
? Slopes; scrub in mixed forests; 2400-3600 m. W Sichuan; E Xizang; NW Yunnan