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Revenir

RHAMNACEAE Juss.

Famille composée d’environ 53 genres et 840 espèces d’arbres, arbustes et, plus rarement, plantes herbacées, réparties dans toute la planète. Elle est représentée dans le N. de l’Afrique par 5 genres, présentant tous des espèces arbustives.

Clé des genres

1 Feuilles opposées Sageretia

1 Feuilles alternes 2

2 Feuilles à nervure pennée, parfois peu visible. Stipules herbacées, caduques 3

2 Feuilles à 1 nervure principale et 2 secondaires naissant à la base. Stipules habituellement spinescentes 4

3 Bourgeons hivernaux nus. Fleurs hermaphrodites. Style non ramifié Frangula

3 Bourgeons hivernaux à cataphylles. Fleurs généralement unisexuées. Styles à 2-4 branches Rhamnus

4 Fruit sec, comprimé, entouré par une aile en forme de disque Paliurus

4 Fruit charnu, drupacé, globuleux Ziziphus

Mis à jour par: M. Cueto & E. Giménez.

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