Etymology: Corylus: probably from Greek corus for "a helmet," from the involucre
Plants: perennial, open and spreading shrub to 16' tall; smooth, light brown bark; branches rising
Leaves: stalked, oval to narrowly elliptic with slight lobes near the tip; edges coarsely, irregularly, doubly toothed
Flowers: oval winter buds with sharp point; stalked male catkins usually in clusters of 2-3 along the sides of the small branches; blooms in early spring
Fruits: nuts in clusters of 2-6, completed hidden beneath the leaf-like, densely hairy, long-beaked, tubular bracts, the beak more than 2 times the total length of the nut
Habitat: moist to dry; woods edges, roadsides, fencerows, thickets
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = UPL USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"