Weed ID

YELLOW TOADFLAX

Scrophulariaceae or Figwort Family
Linaria vulgaris

OTHER COMMON NAMES: Butter-and-eggs or Jacob's Ladder.

GROWTH HABIT: Perennial, grows 8 to 24 inches tall.

LEAVES: Numerous, alternate, long, narrow leaves pointed at both ends. Pale green to gray-green color and are individually connected to the stem.

STEMS: Flowers grow on short stalks in dense clusters at the top of stems.

FLOWERS: Snapdragon yellow flowers with an orange throat and a downward-pointing yellow spur 1 inch long.

ROOTS: Roots can penetrate into the soil 3 feet or more while lateral roots can be several yards long.

SEEDS: Produces 8,700 seeds per plant, viable up to 10 years.

REPRODUCES: By seeds and rhizomes. Most vegetative reproduction is associated with lateral roots.

HABITAT: Wide variety of conditions due to its high genetic variability. Disturbed, open habitats.