Abstract
Paeonia sandrae (Paeoniaceae) species nova of Sardinia and relationship with peonies of Corsica and Sicily
Highlights
The genus Paeonia is widespread in the Mediterranean area with a complex of species, subspecies and varieties (Stern 1944, 1946; Cullen & Heywood 1964a, 1964b; Akeroyd 1993) but its knowledge is not fully satisfactory, despite recent important studies (Cesca & al. 2001; Arrigoni 2006; Hong 2005; Hong & Wang 2006; Schmitt 2007; Hong 2010) that have dealt with the problem in depth
Relationship with P. morisii from Sardinia, P. corsica from Corsica and P. mascula from Sicily are discussed, highlighting their morphological and caryological differences and affinities
For Italian peonies, Cesca & al. (2001) indicate the Paeonia mascula s. l. complex as diploid (2n = 10) or tetraploid (2n = 20) according to more recent works, that discussed the morphological distinction between P. mascula subsp. russoi and P. morisii and the significant differences on the chromosome number: 2n = 20, in the Sicilian plants against 2n = 10 of the studied Sardinian populations of the Gennargentu mountain
Summary
The genus Paeonia is widespread in the Mediterranean area with a complex of species, subspecies and varieties (Stern 1944, 1946; Cullen & Heywood 1964a, 1964b; Akeroyd 1993) but its knowledge is not fully satisfactory, despite recent important studies (Cesca & al. 2001; Arrigoni 2006; Hong 2005; Hong & Wang 2006; Schmitt 2007; Hong 2010) that have dealt with the problem in depth. The genus Paeonia is widespread in the Mediterranean area with a complex of species, subspecies and varieties (Stern 1944, 1946; Cullen & Heywood 1964a, 1964b; Akeroyd 1993) but its knowledge is not fully satisfactory, despite recent important studies 2001; Arrigoni 2006; Hong 2005; Hong & Wang 2006; Schmitt 2007; Hong 2010) that have dealt with the problem in depth. Peonies in the Sardinia and Corsica islands still present some gaps in the assessment of their status
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