Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
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Toadflax, Yellow<br />
Linaria vulgaris, Scropulariaceae (Snapdragon Family)<br />
Category: Noxious<br />
•Information: Introduced from Europe as an ornamental. Also called “butter and eggs”. Is<br />
often found in roadside ditches. Has a very pleasant sweet smell.<br />
•Life cycle: Perennial.<br />
•Root: Creeping rhizomes.<br />
•Leaves: Numerous, alternate, pale green to gray-green, individually connected to the stem,<br />
long (2 1/2 inches long or longer) and narrow, with smooth edges and slightly rubbery to<br />
touch. Smaller leaves are present in the axis of the stem and main leaf (not present on Leafy<br />
Spurge).<br />
•Stems: 20-60cm inches tall, usually not branched.<br />
•Flower: Yellow, snapdragon-like flowers with orange throat, 2.5-3cm long with downward<br />
spur/ tail (1 inch long), on short stalks in dense clusters at top of stems. Generally flowers in<br />
mid August.<br />
•Seed/Fruit: Capsule brown, round to oval with two compartments. Seeds dark brown to<br />
black, less than 4cm in diameter, flattened, with papery circular wing.<br />
•Control: Chemical mid august.<br />
http://www.invasiveplants.ab.ca/Downloads/FS-CommonToadflax.pdf<br />
Sarah Schumacher, Wheatland County<br />
<strong>Alberta</strong> Sustainable Resource Development<br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
Sarah Schumacher, Wheatland County Sarah Schumacher, Wheatland County<br />
76<br />
Sarah Schumacher, Wheatland County