Family: Betulaceae
American hazelnut
[Corylus americana f. missouriensis Walter, more...]
Steve C. Garske
Kenneth J. Sytsma
University of Wisconsin - Madison (WIS-VP)
Etymology: Corylus: probably from Greek corus for "a helmet," from the involucre
Plants: perennial, erect, open, rounded shrub to 11' tall; smooth bark light gray; branches erect, twigs hairy
Leaves: widely oval often with straight sides; edges sharply cut to finely doubly cut; stalk very hairy
Flowers: winter buds widely oval with obtuse to rounds tips; male catkins on the sides of the small branches, usually in clusters of 1 or 2; blooms very early spring
Fruits: nuts in clusters of 2-5, sometimes partially visible beneath the leaf-like, hairy bracts
Habitat: moist to dry; open woods, thickets, hillsides, roadsides, fencerows
Conservation Status: Native
Plants: perennial, erect, open, rounded shrub to 11' tall; smooth bark light gray; branches erect, twigs hairy
Leaves: widely oval often with straight sides; edges sharply cut to finely doubly cut; stalk very hairy
Flowers: winter buds widely oval with obtuse to rounds tips; male catkins on the sides of the small branches, usually in clusters of 1 or 2; blooms very early spring
Fruits: nuts in clusters of 2-5, sometimes partially visible beneath the leaf-like, hairy bracts
Habitat: moist to dry; open woods, thickets, hillsides, roadsides, fencerows
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = FACU- USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Landscape Plants of the Upper Midwest; UW-Extension: Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation
Kenneth J. Sytsma
Christopher Noll
Kitty Kohout
Christopher Noll
Matthew L. Wagner
Steve C. Garske
Steve C. Garske
Matthew L. Wagner
Matthew L. Wagner
Michael Clayton
Steve C. Garske
Merel R. Black
Botanical Illustration
Aaron_Carlson
