Coronilla L.

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 : 182

65. Coronilla L. 1

Annual or perennial herbs or dwarf shrubs. Leaves imparipinnate, rarely simple or 3-foliolate; stipules various, free or connate. Flowers in axillary heads. Calyx campanulate, more or less bilabiate; keel acute; stamens diadelphous. Legume lomentaceous, terete or longitudinally ridged or angled, not constricted between the segments.

Literature: A. Uhrovâ, Beih. Bot. Centr. 53B: 1-174 (1935).

1 Lower leaves simple or 3-foliolate, the terminal leaflet much larger than the lateral

2 Upper leaves simple or 3-foliolate 12. scorpioides 2 Upper leaves imparipinnate 13. repanda 1 Lower leaves imparipinnate, the leaflets more or less equal

3 Claw of the standard 2-3 times as long as the calyx 1. emerus 3 Claw of the standard equalling or slightly longer than the calyx

4 Corolla yellow

5 Leaflets with a narrow scarious margin

6 Herb 30-70 cm; heads 12- to 20-flowered; pedicels 4-6 mm

6. coronata 6 Small shrubs not more than 50 cm; heads usually not more than 10-flowered; pedicels 2-4 mm

7 Leaflets shortly petiolulate; stipules 3—8(—10) mm, herbaceous with membranous tip, deciduous 3. vaginalis 7 Leaflets sessile; stipules c. 1 mm; membranous, persistent

4. minima 5 Leaflets without a scarious margin

8 Annual; legume strongly curved 11. rostrata 8 Small shrubs; legume ±straight

9 Stem not junciform; leaves persistent; leaflets elliptical to obovate-orbicular, not fleshy 2. valentina 9 Stem junciform with long internodes; leaves caducous; leaflets linear or oblong, fleshy 5. juncea 4 Corolla white, pink or purple

10 Annual; heads 3- to 6(-9)-flowered

11 Corolla 4-7 mm; legume ± straight, with a curved beak

10. eretica 11 Corolla 7-11 mm; legume strongly curved, with a straight beak 11. rostrata 10 Perennial; heads (5-)10- to 40-flowered

12 Heads up to 40-flowered; segments of the legume 9- lOmm(Kriti) 9. globosa 12 Heads not more than 20-flowered; segments of the legume

4-6 mm

13 Leaflets of the lower leaves (5—)7—12 pairs, not more than 12 mm wide 7. varia 13 Leaflets 3-5(-6) pairs, 10-20 mm wide 8. elegans