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  • Title: Molecular phylogenetic evidence for the monophyly of Fritillaria and Lilium (Liliaceae; Liliales) and the infrageneric classification of Fritillaria.
    Author: Rønsted N, Law S, Thornton H, Fay MF, Chase MW.
    Journal: Mol Phylogenet Evol; 2005 Jun; 35(3):509-27. PubMed ID: 15878122.
    Abstract:
    We present phylogenetic analyses of 37 taxa of Fritillaria (Liliaceae), 15 species of Lilium, and several outgroup taxa from Liliaceae s.s. to investigate the generic delimitation of Fritillaria in relation to Lilium as well as infrageneric relationships within Fritillaria. We used DNA sequences from the maturase-coding plastid matK gene and the trnK intron, the intron of the ribosomal protein-coding rpl16 plastid gene, and the nuclear ribosomal internal transcribed spacers (ITS). Phylogenetic analysis using maximum parsimony defined Fritillaria and Lilium (the latter including Nomocharis) as sister taxa. Fritillaria sections Fritillaria and Liliorhiza are supported in part, and some of the most enigmatic species usually included in Fritillaria (sections Petilium and Theresia and the monotypic genus Korolkowia) are closely related. The results support the new classification of Fritillaria proposed by Rix. We postulate independent origins of the underground bulbils found in Fritillaria davidii and the remainder of subgenus Liliorhiza.
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