Etymology: Erysimum: from the Greek eryomai, "to help or save," because some of the species supposedly had a medicinal value
Plants: biennial/perennial forb
Conservation Status: Introduced - adventive
Flora of North America: Flora of North America 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. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"