Abstract

The morphology of the seedlings of 30 taxa belonging to the tribe Genisteae (Fabaceae) from the Iberian Peninsula has been studied to determine morphological features of taxonomic value in this developmental phase. These characters do not segregate taxa but can be used to separate them into groups. Subtribes Genistinae and Lupininae can be distinguished by median seedling size and the shape and size of the cotyledons. In the same way, the number of leaflets, the presence or absence of foliar stipules, and the existence of foliaceous or fleshy cotyledons, provide characters to describe six seedling types for the tribe Genisteae —Genista,Argyrolobium,Cytisus,Retama,AdenocarpusandLupinus—each including several taxa. It is also concluded that, at the generic level, onlyRetama,Lupinusand to some extentAdenocarpuscan be distinguished from their seedling characteristics; the other genera have a set of morphological features that do not allow such a segregation.

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