Molecular and morphological evidence for an origin of the aberrant genus Milula within Himalayan species of Allium (Alliacae)

被引：68

作者：

Friesen, N ^{[1
]}

Fritsch, RM ^{[1
]}

Pollner, S ^{[1
]}

Blattner, FR ^{[1
]}

机构：

[1] Inst Plant Genet & Crop Plant Res IPK, Dept Taxonomy, D-06466 Gatersleben, Germany

来源：

MOLECULAR PHYLOGENETICS AND EVOLUTION | 2000年 / 17卷 / 02期

关键词：

Allium; Milula; internal transcribed spacer (ITS); noncoding chloroplast DNA; phylogenetic analysis; taxonomy;

D O I：

10.1006/mpev.2000.0844

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Phylogenetic relationships between Allium and the monotypic Himalayan genus Milula were analyzed using sequences of the nuclear ribosomal DNA internal transcribed spacer (ITS) region and of the intergenic spacers from the chloroplast tmD(GUC)-trnT(GGU) region. Both marker systems unambiguously placed Milula spicata within Allium subgenus Rhizirideum, close to A. cyathophorum. Morphologically, the main difference between Allium and Milula is the conspicuous spicate inflorescence of Milula vs the mostly capitate or umbellate inflorescences in Allium. Anatomical investigations of leaf characters support a close relationship of Milula with A. cyathophorum and A. mairei whereas root characters are distinctive from other species of section Cyathophora. To maintain Allium as monophyletic, Milula has been included as A. spicatum in Allium subgenus Rhizirideum. (C) 2000 Academic Press.

引用

页码：209 / 218

页数：10

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