Définition : Rupicolous chamaephytic and hemicryptophytic vegetation of rock shelves, broad crevices and gravel slopes of the Iberian Peninsula and Western Maghreb
Définition : Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic