Family: Sapindaceae
hard maple, sugar maple
[Acer nigrum var. glaucum F.Michx., more...]
Keir Morse
Robert W. Freckmann
University of Wisconsin - Madison (WIS-VP)
Etymology: Acer: the classical Latin name for the maple
Plants: perennial tree usually 40'-60' tall and 1'-2' in diameter; watery juice; bark grayish to dark brown with loose plates making vertical ridges and grooves
Leaves: opposite, about as long as wide, mostly hairless below but paler green; undivided but with usually 5 lobes, indentations (sinuses) between main lobes rounded; edges and tip usually flat
Flowers: yellowish, blooming April-June when first leaves on drooping, hairy stalk in clusters (umbels) either terminal or from uppermost buds
Fruits: smooth; seed sections at right angles; wings curving forward
,
Habitat: mostly dry, rich woods usually in limy soil
Conservation Status: Native
Plants: perennial tree usually 40'-60' tall and 1'-2' in diameter; watery juice; bark grayish to dark brown with loose plates making vertical ridges and grooves
Leaves: opposite, about as long as wide, mostly hairless below but paler green; undivided but with usually 5 lobes, indentations (sinuses) between main lobes rounded; edges and tip usually flat
Flowers: yellowish, blooming April-June when first leaves on drooping, hairy stalk in clusters (umbels) either terminal or from uppermost buds
Fruits: smooth; seed sections at right angles; wings curving forward
,Habitat: mostly dry, rich woods usually in limy soil
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = FACU USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. University of Wisconsin - Green Bay: Trees: 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" 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
Robert W. Freckmann
Janice Stiefel
Matthew L. Wagner
Robert W. Freckmann
Matthew L. Wagner
Know Your Trees
Robert R. Kowal
Paul Drobot
Paul Drobot
Paul Drobot
Paul Drobot
Paul Drobot
Matthew L. Wagner