|Common name: American hazelnut.
Voucher: Kostadinov 166, (URV)
Brief description: A monoecious shrub, the young twigs and petioles pubescent. Leaves are broadly ovate to obovate, simple, alternate, entire, margins finely doubly serrate-toothed, pinnately veined, paler and pubescent beneath. Flowers are unisexual, the staminate catkins on woody peduncles, emerging in autumn; the pistillate catkins comprised of single flowers, each subtending a bract and two bractlets, the latter enlarging at maturity and enclosing the fruit. Fruits are a compressed edible nut.
Campus data: Rare in the wild on campus, not cultivated. About half a dozen shrubs encountered.