from The Century Dictionary and Cyclopedia
- In botany, a group of plant-orders including, according to some recent authors, the Amentaceæ (birches, oaks, willows, etc.), the Piperineæ (peppers, etc.), and the Urticineæ (nettles, breadfruits, elms, etc.), characterized in general as exogens having their flowers in catkins or compact clusters, and wanting both true calyx and corolla.
Sorry, no etymologies found.