Family: Asteraceae
annual bur-sage, common ragweed, short ragweed
[Ambrosia artemisiifolia var. elatior L., more...]
Paul Drobot
Paul Drobot
University of Wisconsin - Madison (WIS-VP)
Etymology: Ambrosia: Greek for "food of the gods"
Plants: erect, annual, 12"-40" tall forb with upper branches; taprooted
Leaves: divided more than once, feathery or fern-like, lower leaves opposite, upper leaves alternate
Flowers: inflorescence of many, small, green, bead-like heads on 6" spikes; blooms Aug.-Sept.
Fruits: seeds not on fluffy pappus
Habitat: disturbed sites
Conservation Status: Native
Plants: erect, annual, 12"-40" tall forb with upper branches; taprooted
Leaves: divided more than once, feathery or fern-like, lower leaves opposite, upper leaves alternate
Flowers: inflorescence of many, small, green, bead-like heads on 6" spikes; blooms Aug.-Sept.
Fruits: seeds not on fluffy pappus
Habitat: disturbed sites
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 0, Wetland Indicator = FACU WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods 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 David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Paul Drobot
Merel R. Black
Kenneth J. Sytsma
Emmet J. Judziewicz
Stephen L. Solheim
Robert W. Freckmann
Paul Drobot
Merel R. Black
Kenneth J. Sytsma
Botanical Illustration
Botanical Illustration
Botanical Illustration
Aaron_Carlson
