Etymology: Erysimum: from the Greek eryomai, "to help or save," because some of the species supposedly had a medicinal value
Plants: erect, annual, 8"-40" tall forb, very hairy; stems usually unbranched
Leaves: linear to oblong, mostly toothless
Flowers: bright yellow, 4-parted, 1/4"-1/3" wide; inflorescence a long, dense cluster (raceme) of stalked flowers; blooms June-Aug.
Fruits: long, thin, 4-angled pod, erect to pointing upward, seeds in 1 row
Habitat: wet to moist; disturbed sites
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - naturalized

Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FACU USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc.