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

54. Caragana opulens Komarov, Trudy Imp. S.-Peterburgsk. Bot. Sada. 29: 208. 1909.

甘蒙锦鸡儿 gan meng jin ji er

Caragana opulens var. perforata Merrgen & Y. Q. Ma; C. opulens var. trichophylla Z. H. Gao & S. C. Zhang.

Shrubs to 60 cm tall. Bark grayish brown. Branchlets bright gray. Leaves digitate, 4-foliolate; petiole 2-5 mm, persis­tent on long branchlets, caducous on short branchlets; leaflet blades obovate to oblanceolate, 3-12(-15) × 1-4(-8) mm, gla­brous or pubescent, apex rounded to truncate. Flowers solitary. Pedicel 0.7-2.5 cm, articulate apically. Calyx tube campan­ulate-tubular, 8-10 mm, base gibbous. Corolla yellow but stan­dard sometimes reddish; standard broadly obovate, 2-2.5 cm, apex emarginate; wings with claw slightly shorter than limb, auricle oblong; keel with claw slightly shorter than limb, auricle dentiform. Ovary glabrous. Legume cylindric, 2.5-4 cm, gla­brous, apex acute. Fl. May-Jun, fr. Jun-Jul. 2n = 16*.

● Dry slopes, valleys, hills; 1200-4700 m. Gansu, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, W Sichuan, Xizang.

This is a polymorphic species with great variation. Whether Cara­gana opulens var. perforata and C. opulens var. trichophylla should be recognized requires further study.


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