Family: Brassicaceae
horseradish
[Armoracia armoracia (L.) Cockerell ex Daniels, more...]
Janice Stiefel
Janice Stiefel
University of Wisconsin - Madison (WIS-VP)
Etymology: Armoracia: Celtic name referring to "saline," favorite habitat of this plant
Plants: erect, perennial, 2'-3' tall forb, hairless; roots thick
Leaves: large, lower leaves on long stalks, oblong with heart-shaped bases; upper leaves smaller, with short or no stalks
Flowers: white, 4-parted, 1/4"-1/2" wide, petals rounded at the top; inflorescence of several clusters (racemes) of stalked flowers; blooms May-July
Fruits: inflated, oval pod with 2 seed chambers
; seeds rarely maturing
Habitat: moist; gardens, disturbed areas
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - escaped
Plants: erect, perennial, 2'-3' tall forb, hairless; roots thick
Leaves: large, lower leaves on long stalks, oblong with heart-shaped bases; upper leaves smaller, with short or no stalks
Flowers: white, 4-parted, 1/4"-1/2" wide, petals rounded at the top; inflorescence of several clusters (racemes) of stalked flowers; blooms May-July
Fruits: inflated, oval pod with 2 seed chambers
; seeds rarely maturingHabitat: moist; gardens, disturbed areas
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - escaped
A European plant escaped from cultivation to roadsides, railroad tracks, ditches, and riverbanks. The roots are used to create the famous spicy condiment. First collected in 1867.
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FAC* USDA Plants Database: Federal Distribution and detailed information including photos Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Janice Stiefel
Emmet J. Judziewicz
Botanical Illustration
Botanical Illustration
Botanical Illustration
