Ulex parviflorus sensu lato (Genisteae, Leguminosae) from Central Portugal
María Dalila Espíritu Santo | Paloma Cubas | Mario F. Lousá | Cristina Pardo | J. Carlos Costa
A group of gorses growing in Central Portugal has been traditionally identified as Ulex parviflorus Pourret sensu lato. The study of these plants reveáls important differences in morphological characters such as size, ramification, colour and indumentum of shoots, the type, disposition and indumentum of primary and secondary spines, and the dimensions, shape and indumentum of the calyx. Based on these morphological characteristics, as well as chromosome number, ecological requirements and geographic distribution, the plants are now ascribed to the following taxa: U. airensis sp. nov., U. australis subsp. welwitschianus stat. & comb. nov., U. eriocladus C. Vicioso and U. jussiaei Webb
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