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Linaria vulgaris

Other Names: Common Toadflax

  • ~2.5 cm (1 inch) long – bilateral symmetry
  • upper corolla divided into 2 lobes, lower corolla has 3 lobes – edges are orange and has a distinctive hook at its base
  • arranged in clusters at end of stem
  • grayish-green and 2.5-6.5 cm (1-2.5 inches)
  • topmost leaves are alternate and grass-like
  • lower leaves are opposite or whorled
  • in many part of North America
  • found in dry fields, along roads, and in disturbed areas
Flowering Time
  • May - October
  • it is an exotic from Europe
  • plant is 30-90 cm (1-3 feet) tall
  • has a creeping root system producing large and small colonies, especially in drier locations
  • considered noxious in some areas
Name Origin
  • “Toadflax” comes from the notion that the corolla’s opening is comparable to a toad’s mouth and the leaves resemble flax Linum leaves
  • “Butter-and-eggs” refers to the yellow and orange coloring of the corolla
Butter-and-Eggs flowers

Butter-and-Eggs - flowers and leaves