About: The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides

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About: The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The only Balkan endemic of the genus Picris, Picris hispidissima, was studied in detail using morphological and karyological methods. The species was shown to be morphologically distinct from the closest taxon, Picris hieracioides, by the pectinate–ciliate indumentum of involucral bracts, dilatation of the peduncle, length of the outer and inner bracts, and indumentum colour. No morphological variation that would require taxonomic classification was found within this species. Despite the diploid chromosome number (2n = 2x = 10) being confirmed for P. hispidissima, variation of up to 9.5% in genome size was found. The likely explanation for this variation is hybridization and introgression with closely related P. hieracioides. The most convincing evidence for this hypothesis is the detection of plants with two clearly different DNA contents arising from a single capitulum found in the location where P. hispidissima and P. hieracioides co-occur. The only Balkan endemic of the genus Picris, Picris hispidissima, was studied in detail using morphological and karyological methods. The species was shown to be morphologically distinct from the closest taxon, Picris hieracioides, by the pectinate–ciliate indumentum of involucral bracts, dilatation of the peduncle, length of the outer and inner bracts, and indumentum colour. No morphological variation that would require taxonomic classification was found within this species. Despite the diploid chromosome number (2n = 2x = 10) being confirmed for P. hispidissima, variation of up to 9.5% in genome size was found. The likely explanation for this variation is hybridization and introgression with closely related P. hieracioides. The most convincing evidence for this hypothesis is the detection of plants with two clearly different DNA contents arising from a single capitulum found in the location where P. hispidissima and P. hieracioides co-occur. (en)
Title	The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides (en)
skos:prefLabel	The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides (en)
skos:notation	RIV/67985939:_____/09:00332143!RIV10-AV0-67985939
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z60050516), Z(MSM0021620828)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vít, Petr Urfus, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Botanický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	304655
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/09:00332143
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Balkan Peninsula; genome size; multivariate morphometrics (en)
http://linked.open.../riv/klicoveSlovo	genome size Balkan Peninsula multivariate morphometrics
http://linked.open...odStatuVydavatele	AT - Rakouská republika
http://linked.open...ontrolniKodProRIV	[44DD52706FBF]
http://linked.open...i/riv/nazevZdroje	Plant Systematics and Evolution
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	278
http://linked.open...iv/tvurceVysledku	Urfus, Tomáš Vít, Petr Marhold, K. Slovák, M.
http://linked.open...ain/vavai/riv/wos	000264838800005
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku Ekologické procesy v evoluci modelových skupin organismů
issn	0378-2697
number of pages	15 (xsd:int)

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