Family: Apiaceae
American cow-parsnip
[Heracleum lanatum Michx., more...]
Emmet J. Judziewicz
Merel R. Black
University of Wisconsin - Madison (WIS-VP)
Etymology: Heracleum: named for Hercules, who was supposed to have used it first for medicine
Plants: erect, perennial, 3'-10' tall, stout, often fuzzy, foul smelling forb; single, hollow stems
Leaves: softly hairy; once 3-parted with broad, stalked, toothed or palmate leaflets; usually with an enlarged base with the stalk clasping the stem
Flowers: white, 5-parted, petals notched; inflorescence a 4"-8" compound, flat umbel with 15-30 stalked umbellets, the outer flowers sometimes larger and irregular; blooms June-July
Fruits: dry, splitting into 2 seeds, - fruit:
seed:
Habitat: sun to partial shade; moist; disturbed sites, streambanks; in rich soil
Conservation Status: Native
Plants: erect, perennial, 3'-10' tall, stout, often fuzzy, foul smelling forb; single, hollow stems
Leaves: softly hairy; once 3-parted with broad, stalked, toothed or palmate leaflets; usually with an enlarged base with the stalk clasping the stem
Flowers: white, 5-parted, petals notched; inflorescence a 4"-8" compound, flat umbel with 15-30 stalked umbellets, the outer flowers sometimes larger and irregular; blooms June-July
Fruits: dry, splitting into 2 seeds, - fruit:
seed:Habitat: sun to partial shade; moist; disturbed sites, streambanks; in rich soil
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 3, Wetland Indicator = FACW Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Merel R. Black
Merel R. Black
Robert R. Kowal
Emmet J. Judziewicz
Arthur Meeks
Christopher Noll
Emmet J. Judziewicz
Matthew L. Wagner
Aaron_Carlson
Robert W. Freckmann
Emmet J. Judziewicz
Kitty Kohout
