POLYPETALOUS • FREE TRANSLATOR.ORG • Definition of Polypetalous

... epipetalous bicarpellate forms with dorsiventral often large and loosely arranged flowers such as occur in Scrophulariaceae, and the other in the epigynous bicarpellate small-flowered families of which the Compositae represent the most elaborate type. In the polypetalous forms progression from hypogyny to epigyny is generally recognized, and where dorsiventrality with insect-pollination has been established, a dominant group has been developed as in the Leguminosae. The starting-point of the class, however, ...

— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various