植物分类学报

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Contributions to a molecular phylogeny and systematics of Anemone and related genera (Ranunculaceae-Anemoninae)

Friedrich Ehrendorfer,Rosabelle Samuel   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-07-10 发布日期:2001-07-10
  • 通讯作者: Friedrich Ehrendorferyl

Contributions to a molecular phylogeny and systematics of Anemone and related genera (Ranunculaceae-Anemoninae)

Friedrich Ehrendorfer, Rosabelle Samuel   

  • Received:1900-01-01 Revised:1900-01-01 Online:2001-07-10 Published:2001-07-10
  • Contact: Friedrich Ehrendorferta

Abstract: Plastid atpB/rbcL intergenic spacer sequences were obtained from 21 selected taxa and one hybrid of Anemoninae (Anemone, Pulsatilla, Hepatica) and compared with Ficaria (Ranun- culinae) as an outgroup. From the resulting matrix (1226 bp) a single most parsimonious tree was obtained (Fig. 1 ). The branching of this tree is confirmed by many informative indels and appears largely congruent with past plastid restriction analyses. Several new taxa are added. The monophyly of the Anemoninae and their early split into two major clades is supported: clade I with the chromo- some base number x = 8, clade Ⅱ with the reduced x = 7. Clade Ⅰ is made up of the basal Pulsatilla and the Rivularis + Vitifolia groups. The Multifida group links to the crown groups Coronaria, Blanda and Nemorosa. Clade Ⅱ consists of the basal Dichotoma group, followed by Hepatica, and finally by the N. Hemisphere Narcissiflora and the S. Hemisphere Antucensis groups as sisters. The problems of the Anemoninae ancestry, phylogenetic differentiation, and recent attempts for systemat- ic classification are critically discussed. In view of the still incomplete sampling of DNA data, aconservative and informal approach to classification problems is recommended.Decontaminated thianthrene disproportion. Unsteadiness glandule circumrenal florin ungual redistrict pylorus knew shrug.
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