Chamaecytisus purpureus, (Scop.) Link

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 : 91

4. C. purpureus (Scop.) Link , Handb. 2: 154 (1831)

( Cytisus purpureus Scop. ).

Up to 30 cm; branches subglabrous, unarmed. Leaflets obovate, mucronate, subglaucous, glabrous. Flowers in fascicles of 2-3 forming a leafy raceme. Calyx with sparse, patent hairs. Corolla lilac-pink to purplish, the standard 15-25 mm, with a darker patch in the centre. Legume 15-25x4-5 mm, glabrous. Bushy and rocky places; calcicole. • S. & S.E. Alps, N. Albania, N. Jugoslavia. Al Au It Ju [Ge]. (5-10). C. hirsutus group. 30-200 cm; branches hairy, at least when young. Leaflets glabrous to hirsute above, hairy beneath at least when young. Flowers in fascicles of 1-4. Calyx glabrous or hairy. Corolla yellow or pale yellow; standard 20-25 mm. Legume glabrous, ciliate or villous.

The vernal state of 19, C. supinus , closely resembles 6, C. polytrichus , but can be distinguished from it by its smaller flowers. 1 Leaflets glabrous on both surfaces at maturity; calyx glabrous or sparsely appressed-pubescent 10. leiocarpus

1 Leaflets pubescent beneath at maturity; calyx with patent hairs or with both patent and appressed hairs

2 Calyx with both patent and appressed hairs 9. glaber

2 Calyx with only patent hairs

3 Hairs of branches and leaves appressed 7. wulfii

3 Hairs of branches and leaves patent

4 Branches procumbent; legume villous 6. polytrichus

4 Branches usually erect or ascending; legume sparsely to densely hairy 5 Leaflets (4-)6-20(-30) x (2-)4-10(-18) mm 5. hirsutus 5 Leaflets (10-)20-30x (6-)10-15 mm 8. ciliatus