|Common name: Dutch elm.
Voucher: Kostadinov 012, 218 (URV)
Brief description: U. glabra x U. carpinifolia. A medium-sized to large tree with deeply fissured bark and wide-spreading branches. Leaves are broadly oval, simple, alternate, entire, pinnately veined, lustrous and nearly smooth above, lightly pubescent beneath; margins are doubly serrate-toothed. Flowers are perfect, short-pedicelled. Fruits are an oval-obovate samara, with the seed near the apex, touching the base of the notch.
Campus data: One cultivated individual encountered on campus.