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Type: Article
Published: 2015-12-18
Page range: 43–54
Abstract views: 19
PDF downloaded: 1

On the true identity of the plants recently referred to Sedum nevadense (Crassulaceae) in Abruzzo (Italy)

Strada Val San Martino sup. 194. 10131, Torino, Italy
Scuola di Bioscienze e Medicina Veterinaria, Università di Camerino - Centro Ricerche Floristiche dell’Appennino, Parco Nazionale del Gran Sasso e Monti della Laga, S. Colombo, 67021 Barisciano (L’Aquila). Italy
Sedum aquilanum Subrosea taxonomy evolution endemism Eudicots Italy

Abstract

Sedum nevadense was always believed to be an Iberian-Moroccan endemic with a segregated population in France, but it was recently reported for Abruzzo (Italy). To enhance our knowledge of this population that appears particularly isolated from the main distribution, specific studies were carried out that allowed its recognition as significantly different from the Iberian and north African populations from the morphological and ecological points of view. We here describe this population as a new narrow endemic species, namely Sedum aquilanum belonging to Sedum series Subrosea. This population is at high extinction risk due to both the small number of plants and its close proximity to areas that are affected by anthropogenic activities having a very high environmental impact.