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

3. Colutea ×media Willdenow, Enum. Pl. 2: 771. 1809.

杂种鱼鳔槐 za zhong yu biao huai

Shrubs, deciduous, ca. 1.8 m tall. Old branches gray, gla­brous; young ones gray-yellow, with white hairs. Leaves pin­nate, 9-13-foliolate, 7-10 cm; stipules on lower branches often triangular, ca. 1 mm, on upper branches lanceolate, ca. 3 mm, sparsely pubescent to glabrous; leaflets opposite or subopposite; petiolules 0.5-1 mm, densely pubescent; leaflet blades adaxi­ally bluish green, obovate, 1.3-1.9(-2.5) × 0.9-1.2 cm, abaxi­ally appressed white pubescent, adaxially glabrous, base rounded, apex truncate to retuse, shortly mucronate. Racemes 6-6.5 cm, 3-5-flowered; peduncle to 3-4 cm, pubescent; bract lanceolate, ca. 1.5 mm, hairy. Pedicel 7-10 mm; bracteoles fine, pubescent. Calyx ca. 5 × 5 mm, outside with hairs, longitudinal ribs 5; teeth triangular, subequal, ca. 1 mm, inside densely manicate, glabrous below. Corolla orange-yellow to reddish brown; standard reflexed, ca. 15 × 19-20 mm, base rounded, sinus at apex, stalk ca. 2 mm, calluses lunate; wings conspic­uous, smaller than standard and keel, upper and lower parts subequal, ca. 1 cm, rounded at apex, auriculate at one lateral upper base, often conduplicate and curved at apex, intersecting stalk to form a ring, lower part with 1 or 2 teeth, stalk ca. 4 mm; keel connate, triangular-suborbicular, ca. 1.2 × 1.2 cm, oblong auriculate and ca. 4 mm wide at base, auricle parallel to stalk, stalk ca. 9 mm. Ovary flattened, linear-lanceolate, ca. 6 mm, pubescent; stipe ca. 4 mm; style curved to nearly right angle, inrolled at apex, glabrous except barbate adaxially. Legume ca. 7.5 cm. Fl. and fr. May-Oct.

Cultivated for ornament. Shandong [of hybrid origin in SW Asia (Caucasus); widely cultivated].

Colutea ×media is a hybrid between C. arborescens and C. orien­talis Miller; the latter is often cultivated in the Mediterranean region.


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