A Morphometric Analysis of the Santolina chamaecyparissus Complex (Asteraceae)
Giacò, Antonio (University of Pisa)
De Giorgi, Paola (University of Pisa)
Astuti, Giovanni (University of Pisa)
Caputo, Paolo (University of Naples Federico II)
Serrano, Miguel (University of Santiago de Compostela)
Carballal, Rodrigo (University of Santiago de Compostela)
Sáez, Llorenç (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Bacchetta, Gianluigi (University of Cagliari)
Peruzzi, Lorenzo (University of Pisa)

Data:	2022
Resum:	The genus Santolina (Asteraceae, Anthemideae) includes 26 species of aromatic evergreen shrubs endemic to the western Mediterranean Basin. Santolina is widely used as ornamental plant, in xerigardening, and in ethnobotany. The Santolina chamaecyparissus complex, including about half of the known species diversity, has been properly investigated on systematic and taxonomic grounds only recently, and a complete morphometric study is still missing. Here we provide a morphometric characterization and comparison of all the 14 species of this complex, using both univariate and multivariate analyses. Our results suggest that species of this complex can be distinguished using combinations of quantitative and qualitative character-states, mostly related to the leaf morphology. The analysis of S. villosa, a tetraploid/hexaploid Spanish endemic, showed that the two cytotypes cannot be safely identified based on morphology. Coupling this evidence with available phylogenetic information, we conclude that there is no reason to split the two cytotypes of S. villosa in two distinct taxa. An identification key for all the species of the complex is presented.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Mediterranean Basin ; Anthemideae ; Endemism ; Morphometry ; Random Forest
Publicat a:	Plants, Vol. 11, Num. 24 (December 2022) , art. 3458, ISSN 2223-7747

DOI: 10.3390/plants11243458
PMID: 36559569

14 p, 4.8 MB

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