calycifloræ

from The Century Dictionary.

• noun In De Candolle's classification, a subclass of polypetalous dicotyledons, in which the corolla and stamens are inserted upon a disk which is coherent with the calyx, and which is sometimes, with the calyx, adnate to the ovary. It includes the Leguminosæ, Rosaceæ, Saxifragaceæ, and other related orders.