The dimerous gynoecium in Apiaceae can have a superimposed pentamerous symmetry from the other floral whorls and thus be monosymmetric (instead of disymmetric).
In Calceolariaceae, the flowers are tetramerous (and may almost look dimerous) (Endress, 1999; Mayr & Weber, 2006).
In a dimerous dorsiventrally flattened pistil the two stigma primordia originate laterally, and in a dimerous laterally flattened pistil they originate dorsiventrally (Fig.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.