AGAMOUS Protein, ArabidopsisPlant StructuresUmbilical ArteriesMADS Domain ProteinsArabidopsis ProteinsGenes, HomeoboxRNA-Binding ProteinsGene Expression Regulation, PlantArabidopsisPlant StemsRNA HelicasesFlowersGenes, PlantCloning, MolecularMolecular Sequence DataAmino Acid SequenceDNA-Binding ProteinsMutationPhenotypeTranscription FactorsCell NucleusRNA, Messenger