Linaria vulgaris

(Butter and Eggs)

_DSC1056%20copy

Linaria vulgaris, Booth Falls Trail, Eagle Co. 3982

_DSC1056%20copy

Linaria vulgaris, Schofield Pass, Gunnison Co. 0106

_DSC1056%20copy

Linaria vulgaris, Schofield Pass, Gunnison Co. 0109

Scientific Name Linaria vulgaris USDA PLANTS Symbol LIVU2
Common Name Butter and Eggs, Yellow Toadflax ITIS Taxonomic Serial No. 33216
Family Plantaginaceae (Plantain) US Forest Service
Reference
Click Here
Description Life zones and habitat: Foothills and montane (4800 to 11000 ft.); meadows, streambanks, roadsides, open and disturbed areas.
Plant: Erect perennial 1 to 3 feet tall; smooth, grayish-green stems.
Leaves: Pale green, soft, linear and lanceolate.
Inflorescence: Densely clustered in racemes, 1-inch long yellow flowers with 5 fused petals (2 upper lobes and 3 lower), an orange bearded throat, and a yellow spur.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield and Ecology and Management of yellow toadflax by Jacobs and Sing, US Forest Service.
BONAP Distribution Map


Map Color Key
Colorado Status:
Introduced
NOXIOUS WEED

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County