Abstract

Abstract. A revision of the taxa belonging to the Genista ephedroides group (Fabaceae, Cytiseae) occurring in the Tyrrhenian area is presented. The study, carried out on the basis of the literature, herbarium material, and field and karyological investigations, allows the recognition of 13 taxa. Eight are already known: G. cilentina Vals., G. demarcoi Brullo, Scelsi & Siracusa, G. dorycnifolia Font Quer, G. ephedroides DC., G. gasparrinii (Guss.) C. Presl, G. numidica Spach, G. tyrrhena Vals., and G. valsecchiae Brullo & De Marco, and five are new to science. Genista bocchierii Bacch., Brullo & Feoli Chiapella, G. insularis Bacch., Brullo & Feoli Chiapella, G. insularis subsp. fodinae Bacch., Brullo & Feoli Chiapella, and G. ovina Bacch., Brullo & Feoli Chiapella are described from Sardinia, Italy, while G. tyrrhena subsp. pontiana Brullo & De Marco is described from the Pontine Archipelago of Latium, Italy. Karyologically, most of the taxa are characterized by the somatic number 2n = 48 (G. bocchierii, ...

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