Retama Raf.
Genus represented in the Mediterranean region and the Canary Islands. It comprises 4 species, all present in North Africa and one of them is endemic.
Vicioso, C. 1955. Genísteas españolas. II. Erinacea, Spartium, Retama, Chamaecytisus, Cytisus, Sarothamnus, Calicotome, Adenocarpus. Bol. Inst. Forest. Invest. Exp. 72: 169-175.
Zohary, M. 1959. A revision of the genus Retama. Bull. Res. Council Israel, Sect. D., Bot. 7: 1-12.
Key to species
1 Corolla white 2
1 Corolla yellow 3
2 Corolla 9-16 mm, with an acute keel, acuminate; pod clearlykeeled along the suture line Retama monosperma
2 Corolla 7-10 mm, with an obtuse keel; pod not keeled Retama raetam
3 Calyces and pods glabrous Retama sphaerocarpa
3 Calyces and pods hairy Retama dasycarpa
Updated by: J. A.Devesa & G. Martínez-Sagarra.