Family: Asteraceae
common tansy, golden-buttons, tansy
[Chrysanthemum vulgare (L.) Bernh., more...]
Merel R. Black
Robert Bierman
University of Wisconsin - Madison (WIS-VP)
Etymology: Tanacetum: from the medieval Latin name tanazita, in turn derived from Greek athanasia, "immortality," of uncertain application to this taxa
Plants: erect, perennial, 1 1/2' - 5' tall, aromatic forb
Leaves: many, mostly hairless, 4"-8" long and half as wide, dotted, 4-10 parirs of feathery, pinnate divisions
Flowers: head 1/4" wide with only yellow disk flowers; inflorescence with 20-200 heads in a dense cluster; blooms Aug.-Oct.
Habitat: fields, roadsides, disturbed sites
Hazardous: Careful, this plant is hazardous!
Invasiveness: Restricted Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Plants: erect, perennial, 1 1/2' - 5' tall, aromatic forb
Leaves: many, mostly hairless, 4"-8" long and half as wide, dotted, 4-10 parirs of feathery, pinnate divisions
Flowers: head 1/4" wide with only yellow disk flowers; inflorescence with 20-200 heads in a dense cluster; blooms Aug.-Oct.
Habitat: fields, roadsides, disturbed sites
Hazardous: Careful, this plant is hazardous!
Invasiveness: Restricted Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Flora of North America: Flora of North America WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. 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"
Robert Bierman
Merel R. Black
Matthew L. Wagner
Paul Drobot
Joshua J. Nemec
Robert Bierman
Robert Bierman
Paul Drobot
Robert W. Freckmann
Matthew L. Wagner
Derek Anderson
Derek Anderson
Botanical Illustration
Botanical Illustration
Kurt Stüber
