Family: Orobanchaceae
cancer-root, naked broom-rape, one-flowered broom-rape
Dennis W. Woodland
Steve C. Garske
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)
Etymology: Orobanche: from Greek orobos, a kind of vetch, and anchone, "choke or strangle" because of a parasitic habit, this was the Greek name of a plant that was parasitic on vetch
Plants: erect, annual, 2"-8" tall forb; stems all or mostly underground; parasitic on many types of plants
Leaves: few, overlapping, scale-like
Flowers: purple to white, 5-parted, 3/4" long, with 5 almost equal lobes, stalk longer than the flower and much longer than the stem; usually solitary; blooms May-June
Habitat: moist; woods, streambanks
Conservation Status: Special Concern
Plants: erect, annual, 2"-8" tall forb; stems all or mostly underground; parasitic on many types of plants
Leaves: few, overlapping, scale-like
Flowers: purple to white, 5-parted, 3/4" long, with 5 almost equal lobes, stalk longer than the flower and much longer than the stem; usually solitary; blooms May-June
Habitat: moist; woods, streambanks
Conservation Status: Special Concern
Floristic Rating: Coefficient of Conservatism = 6, Wetland Indicator = UPL WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos Minnesota Dept. of Natural Resources: Rare Species Guide; description, conservation, photos, maps, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. 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"
Steve C. Garske
Dennis W. Woodland
Steve C. Garske
Botanical Illustration
Steve C. Garske
Steve C. Garske
Robert H. Read
Aaron_Carlson
Robert H. Read
Merel R. Black
Aaron Carlson
