Article
Floral zygomorphy, the recurring evolution of a successful trait.
BioEssays : news and reviews in molecular, cellular and developmental biology - 1 Nov 2004
Cubas Pilar
Abstract excerpt
The flowers of the primitive angiosperm plants were radially symmetrical (actinomorphic). Flowers with bilateral symmetry (zygomorphic) evolved in several clades independently as an adaptation to specialized methods of pollination and played an important role in the diversification of flowering plants. In the model species Antirrhinum majus (snapdragon), the related genes CYCLOIDEA (CYC) and DICHOTOMA (DICH) are...
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