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Chloroplast and nuclear evidence for multiple origins of polyploids and diploids of Hedera (Araliaceae) in the Mediterranean basin.

Molecular phylogenetics and evolution - 1 Apr 2003

Valcárcel Virginia, Fiz Omar, Vargas Pablo

Abstract excerpt

Chloroplast (trnT-L) and nuclear rDNA (ITS) sequence analyses of the Araliaceae provide strong molecular evidence for the monophyly of the genus Hedera. Phylogenetic reconstructions suggest multiple origins and an active polyploidization process not only in the formation of tetraploids (2n = 96), hexaploids (2n = 144), and octoploids (2n = 192), but also of diploids (2n = 48). A high basic chromosome number of x...

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PMID: 12679067
DOI: 10.1016/s1055-7903(02)00364-0

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

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