Nonea pisidica(Boraginaceae-Boragineae), a new species from southwest Anatolia and its relationships inferred from karyology and cpDNA sequences

Autor:	Federico Selvi, Massimo Bigazzi, Hartmut H. Hilger
Rok vydání:	2004
Předmět:	Nonea biology Zoology Plant Science Boraginaceae biology.organism_classification Taxon Chloroplast DNA Phylogenetics Molecular phylogenetics Botany Taxonomy (biology) Ploidy Ecology Evolution Behavior and Systematics
Zdroj:	Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology. 138:135-144
ISSN:	1724-5575 1126-3504
DOI:	10.1080/11263500412331283744
Popis:	The new species Nonea pisidica (Boraginaceae-Boragineae) is described based on two collections by the authors from the region of Lake Burdur in southwest Anatolia, Turkey. It shows a combination of morphological characteristics concerning habit, flower, and fruit that distinguishes it from N. caspica and N. pallens, the two more similar taxa in Nonea sect. Nonea. Karyological analyses corroborate the separation of the three species, which have different chromosome complements and even base numbers. N. pisidica is characterised by 2n = 30, a complement previously unknown for west Asiatic species of Nonea. The dibasic haploid number x = 15 may have originated through amphidiploid hybridisation between two annual, diploid taxa with x = 7 and x = 8, such as N. lutea and N. caspica. The relationships of the new species were further analysed using trnLUAA sequences of the chloroplast genome, which were obtained for 16 selected species of Nonea. The resulting phylogeny confirms that it is related to N. caspica a...
Databáze:	OpenAIRE
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