Noun | 1. | ![]() dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination elm family, family Ulmaceae, Ulmaceae - a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema Ulmus alata, wing elm, winged elm - North American elm having twigs and young branches with prominent corky projections American elm, Ulmus americana, white elm, water elm, rock elm - large ornamental tree with graceful gradually spreading branches common in eastern North America European field elm, smooth-leaved elm, Ulmus carpinifolia - European elm with lustrous smooth leaves used as an ornamental cedar elm, Ulmus crassifolia - elm of southern United States and Mexico having spreading pendulous corky branches Dutch elm, Ulmus hollandica - any of various hybrid ornamental European shade trees ranging from dwarf to tall Huntingdon elm, Ulmus hollandica vegetata - erect vigorous hybrid ornamental elm tree Ulmus laevis, water elm - Eurasian elm closely resembling the American elm; thrives in a moist environment Ulmus parvifolia, Chinese elm - small fast-growing tree native to Asia; widely grown as shelterbelts and hedges English elm, European elm, Ulmus procera - broad spreading rough-leaved elm common throughout Europe and planted elsewhere Chinese elm, dwarf elm, Siberian elm, Ulmus pumila - fast-growing shrubby Asian tree naturalized in United States for shelter or ornament slippery elm, Ulmus rubra, red elm - North American elm having rough leaves that are red when opening; yields a hard wood guernsey elm, Jersey elm, Ulmus campestris sarniensis, Ulmus campestris wheatleyi, Ulmus sarniensis, wheately elm - a variety of the English elm with erect branches and broader leaves rock elm, Ulmus thomasii - tall widely distributed elm of eastern North America |