Etymology: Linaria: from the Latin linum, "flax," referring to the flax-like leaves of some species
Plants: perennial forb
Flowers: yellow, 5-parted, slender spur at the base, erect upper lip with 2 lobes, lower lip with 3 lobes, 4 stamens; inflorescence a cluster (raceme) of stalked flowers at the top of the stem
Conservation Status: Introduced - locally established
WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc.