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

44. Caragana pygmaea (Linnaeus) Candolle, Prodr. 2. 268. 1825.

矮锦鸡儿 ai jin ji er

Shrubs to 50 cm tall. Branches golden yellow, shiny, pu­bescent when young but gradually glabrescent. Leaves digitate, 4-foliolate; petiole 4-6 mm and persistent on long branchlets, absent and leaves clustered on short branchlets; leaflet blades oblanceolate to linear, (5-)7-17(-30) × 1-3 mm, both surfaces glabrous, apex obtuse to acute. Flowers solitary. Pedicel 0.6-2 cm, articulate basally or apically from middle, glabrous or pu­bescent. Calyx tube tubular-campanulate, 5-6 mm. Corolla yel­low, 1-1.6 cm; standard broadly obovate, claw ca. 1/3 as long as limb; wings oblong, inflated toward apex, auricle short; keel with claw as long as limb, auricle obtuse. Ovary densely pubes­cent. Legume linear, 2-3 cm, pubescent when young, glabres­cent. Fl. May, fr. Jun. 2n = 16.

Sandy areas, rocky slopes, hilly areas among rocks; 900-1300 m. Hebei, Nei Mongol, Xinjiang [Mongolia, E Russia].

1 Pedicel articulate basally from middle; corolla 1-1.5 cm.   44c var. parviflora
+ Pedicel articulate near middle; corolla 1.5-1.6 cm   (2)
2 (1) Branchlets stout, pubescent when young, gradually glabrescent; leaflet blades narrowly oblanceolate, ca. 3 mm wide.   44a var. pygmaea
+ Branchlets slender, densely pubescent; leaflet blades linear, ca. 1 mm wide.   44b var. angustissima

Lower Taxa


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