Robinia L. Robinia pseudacacia, L.

30. Robinia L. View in CoL 1

Deciduous trees or shrubs. Leaves imparipinnate; stipels often present; spinose stipules usually present. Flowers in pendent axillary racemes. Calyx campanulate, slightly bilabiate; corolla white, pink or purple; stamens diadelphous. Legume linear or oblong, compressed, dehiscent. Seeds 3-10.

Tree up to 25 m; racemes many-flowered; flowers 15-20 mm

1. pseudacacia Stoloniferous shrub up to 1 m; racemes 3- to 5-flowered; flowers

c. 25 mm 2. hispida

1. R. pseudacacia L.,Sp.Pl. View in CoL 722 (1753).

Tree up to 25 m. Leaflets 3-10 pairs, 25-45 x 12-25 mm, elliptical or ovate, glabrous or subglabrous; usually with stipular spines. Racemes 10-20 cm, many-flowered. Corolla 15-20 mm, white, the base of the standard yellow. Legume 5-10 x c. 1 cm, glabrous. Commonly planted for ornament and for stabilizing dry soil. Extensively naturalized in S. & W. Europe and more locally in C. & E. Europe. [Al Au Be Br Bu Cz Ga Ge G r He Ho Hs Hu It Ju Rm Sa Si Tu.] (C. & E. North America.) R. viscosa Vent. , Descr. Pl. Jard. Cels t. 4 (1800), from S.E. North America, is often planted in C. & S. Europe and may be locally naturalized. It is like 1 but with glandular-viscid twigs, petioles and peduncles; racemes 5-8 cm, 6- to 18-flowered; corolla purple, and legume sparsely glandular-hispid.