Chromosome numbers for the Italian flora: 4

Peruzzi, Lorenzo; Chiavegatto, Raquel Bezerra; D’Antraccoli, Marco; Dolci, David; Roma-Marzio, Francesco

doi:10.3897/ib.4.21782

Cited by 1 publication

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References 5 publications

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“…Considering that the three taxa show significant morphological and phytochemical differences, they are allopatric, and share the same chromosome number (Peruzzi et al 2017), we deem appropriate their taxonomic treatment at subspecific level.…”

Section: Integrative Systematicsmentioning

confidence: 99%

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Phytochemical data parallel morpho-colorimetric variation in Polygala flavescens DC.

Peruzzi

Roma-Marzio

Dolci

et al. 2019

Plant Biosystems - An International Journal Dealing with all As

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Phytochemical data, integrated with other sources of information, represent a valuable tool helping to solve different kinds of taxonomic problems in plant systematics. In the present study, a comparative investigation, in order to clarify the systematic relationships of the three subspecies currently recognized within the Italian endemic Polygala flavescens, was carried out. Preliminarily, a morphometric and colorimetric analysis, in order to test the degree of distinctiveness among the taxa, was performed. Then, a phytochemical analysis based both on volatile and non-volatile compounds was obtained. Concerning the morpho-colorimetric analysis, our results confirm most of the characters as useful to discriminate the three subspecies. In addition, some volatile and nonvolatile compounds are good taxonomic markers. Morpho-colorimetric variation is clearly paralleled by phytochemical results, confirming the value of this kind of data to infer relationships in plant systematics. Based on these results, we support a taxonomic treatment at subspecific level for the involved taxa. Finally, based on the most significant morphological characters, a revision of herbarium specimens allowed to redefine the distribution of the three subspecies. Accordingly, the range of P. flavescens subsp. maremmana is limited to Mt. Argentario (southern Tuscany) only.Finally, a key is reported for the identification of the three subspecies.

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Section: Integrative Systematicsmentioning

confidence: 99%

“…In addition, more recently, the three subspecies were shown to share the same chromosome number, i.e. 2n = 22 (Peruzzi et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Phytochemical data parallel morpho-colorimetric variation in Polygala flavescens DC.

Peruzzi

Roma-Marzio

Dolci

et al. 2019

Plant Biosystems - An International Journal Dealing with all As

Self Cite

View full text Add to dashboard Cite

show abstract

Chromosome numbers for the Italian flora: 4

Abstract: In this contribution new chromosome data obtained on material collected in Italy are presented. It includes 9 chromosome counts for Polygala (Polygalaceae), Dianthus and Silene (Caryophyllaceae).

Cited by 1 publication

References 5 publications

Phytochemical data parallel morpho-colorimetric variation in Polygala flavescens DC.

Phytochemical data parallel morpho-colorimetric variation in Polygala flavescens DC.

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