The Classification and Functional Significance of Staminodes in Angiosperms The Classification and Functional Significance of Staminodes in Angiosperms Functional Divergence and Catalytic Properties of Glutathione Peroxidase Family from Physcomitrella patens Evolution of the 4-coumarate:coenzyme A ligase (4CL) gene family: Conserved evolutionary pattern and two new gene classes in gymnosperms Molecular Evolution of Chalcone Synthase Gene Superfamily in Plants Functional Divergence of Dehydroascorbate Reductase Genes in Pinus densata, P. tabulaeformis and P. yunnanensis