Cytotaxonomic Notes on the Genus Leontodon (Asteraceae, Hypochoeridinae)

The chromosome numbers for 11 taxa belonging to the genus Leontodon are given; 29 populations, mainly from Spain, have been studied. The counts for L. pyrenaicus, L. microcephalus, L. duboisii and L. carpetanus subsp. nevadensis, all of them diploid and with x=6 as basic chromosome number, are new t...

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Veröffentlicht in:	Willdenowia 1991-12, Vol.21 (1/2), p.215-224
Hauptverfasser:	Álvaro Izuzquiza, Feliner, Gonzalo Nieto
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Biological taxonomies Chromosome morphology Chromosomes Finches Fundamental and applied biological sciences. Psychology Meadows Pastures Plant cytology, morphology, systematics, chorology and evolution Plants Ploidies Schist Spermatophyta Systematics (diagnosis, chromosome numbers) Taxa
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Zusammenfassung:	The chromosome numbers for 11 taxa belonging to the genus Leontodon are given; 29 populations, mainly from Spain, have been studied. The counts for L. pyrenaicus, L. microcephalus, L. duboisii and L. carpetanus subsp. nevadensis, all of them diploid and with x=6 as basic chromosome number, are new to science. We confirm the following numbers: n=7, 2n=14 for L. hispidus, 2n=14 for L. boryi, 2n=8 for L. saxatalis subsp. saxatalis, L. saxatalis subsp. longirostris and L. tuberosus, 2n=12 for L. autumnalis subsp. autumnalis, and n=6, 2n=12 for L. carpetanus subsp. carpetanus.
ISSN:	0511-9618 1868-6397