Pollen Morphology and Systematic Position of <i>Alysicarpus</i> (<i>Leguminosae</i>, Tribe <i>Desmodieae</i>)

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  • マメ科アコウマイハギ連ササハギ属の花粉形態と分類学的位置
  • Pollen Morphology and Systematic Position of Alysicarpus (Leguminosae, Tribe Desmodieae)

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<p>Except for the separation of Desmodiastrum, Alysicarpus has been recognized as a distinct genus in the tribe Hedysareae or Desmodieae of Leguminosae since its establishment. The taxonomic position of Alysicarpus and its allies has, however, not been fixed in previous taxonomic systems. Phylogenetically, the genus forms a distinct clade with Bouffordia and Sohmaea within tribe Desmodieae based on results of molecular phylogenetic analyses. Common apomorphic characteristics are, however, not found in pollen morphology as well as gross morphology among the three genera. Pollen grains of Alysicarpus differ from those of Bouffordia and Sohmaea in the pollen type and sculpturing pattern. Pollen morphological evidence strongly supports distinctness of Alysicarpus in tribe Desmodieae.</p>

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