Caragana Fabr.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 108

36. Caragana Fabr. 1

Trees or shrubs. Leaves paripinnate, often with spine-tipped rhachis; stipules small, deciduous or sometimes persistent and spinose. Flowers solitary or fasciculate; pedicels articulate. Calyx tubular or campanulate, with 5 subequal teeth; corolla usually yellow; stamens diadelphous. Legume linear, sometimes inflated, usually acute, dehiscent. Seeds usually numerous. 1 Leaflets 4-6 pairs; rhachis 30-70 mm 1. arborescens

1 Leaflets 2 pairs; rhachis not more than 15 mm

2 Flowers often fasciculate; calyx campanulate, about as long as wide, slightly gibbous at base 2. frutex

2 Flowers solitary; calyx tubular, much longer than wide, strongly gibbous at base 3. grandiflora