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Webbia
Journal of Plant Taxonomy and Geography
Volume 52, 1997 - Issue 1
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Original Articles

Intraspecific variation of Allium roseum L. (Alliaceae)

Variabilità intraspecifica in Allium roseum L. (Alliaceae)—Allium roseum

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Pages 137-154 | Accepted 05 May 1997, Published online: 14 Apr 2013
 

Summary

Allium roseum L. is a species with a typically mediterranean distribution and prevalently present in the centre—south of Italy. It belongs to the sect. Molium G. DON ex KOCH and shows different intraspecific taxa described by various authors. Numerous populations, not only Italian, were studied from the karyological point of view using the root tips. Morphological observations were done using the SEM for the leaves and the seeds. Finally multivariate analysis was carried out. On the basis of these studies, the authors cannot recognize varietal ranks in A. roseum but only a probable complex of cytotypes.

L. é specie comune legata alla regione mediterranea presente, in Italia, soprattutto nell'area centro-meridionale. Appartiene alla sez. Molium G.Don ex Koch; il taxon, caratterizzato da un'elevata variabilità morfologica, é stato variamente descritto, nel tempo, dai vari monografi del genere. Vengono esaminate diverse popolazioni, non solo italiane, sia dal punto di vista cariologico che morfologico con analisi anche del tegumento seminale al SEM e della sezione fogliare. Infine i dati vengono sottoposti all'analisi multivariate. Sulla base di questi studi gli autori non riconoscono ranghi varietali in A.roseum ma solo un complesso di citotipi a diverso grado di ploidia.

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