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