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Revenir

Rubus L.

Genre comprenant environ 1490 espèces, réparties principalement dans les zones tempérées et subtropicales de presque toute la planète. Dans le N. de l’Afrique, il est représenté par 4 espèces, réparties dans l’aire méditerranéenne. Il s’agir d’un genre complexe à étudier, même pour les botanistes experts, en raison du polymorphisme extraordinaire des espèces qui le composent.

Clé des espèces

1 Ramilles à poils glanduleux abondants 2

1 Ramilles sans poils glanduleux 3

2 Ramifications turionales (rejetons) couchées ou grimpantes. Feuilles vertes sur les deux faces, à 3 folioles caduques Rubus caesius

2 Turions dressés ou dressés-arqués. Feuilles vertes sur l’endroit et blanchâtres-tomenteuses sur l’envers, à 5 folioles persistantes Rubus incanescens

3 Ramilles et feuilles à poils simples et étoilés Rubus sanctus

3 Ramilles et feuilles à poils simples uniquement Rubus ulmifolius

Mis à jour par: A.V. Pérez Latorre.

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