Yellow Toadflax

(Limaria vulgaris Mill)

MATURE PLANT
* 1-5 feet
ROSETTE
* very similar to Leafy spurge
FLOWER
* 1" bright yellow
INFESTATION
* approx…18 acres in El Paso County

Yellow toadflax (Linaria vulgaris Mill), the common names are, Yellow toadflax, Butter-and-eggs and Wild snapdragon. Yellow toadflax is part of the Figwort family originating in Eurasia. This plant is a perennial flowering from June through August. It reproduces from roots and seed growing to a height of 1-2 feet. Leaves are 2½ or more inches long pale green numerous and pointed at each end.

The flower is a 1 inch long bright yellow to pale cream corolla, with a bearded and orange throat. The seed is disk-shaped, dark brown to black, 1/12 inch in diameter with a papery circular wing.

This is an aggressive invader of range lands, displacing desirable grasses. It has been reported to be mildly poisonous to livestock. Yellow toadflax can also be found along roadsides, waste places, small grain fields and disturbed sites. An extensive root system makes this plant difficult to control.

Natural Resources:
 
Nancy Prieve
 

Forestry & Noxious Weed:

John Powell

Telephone:
(719) 520-7879

Location:
2880 International Cr.
Colorado Springs, CO 80910

Fax :
(719) 520-7816