Linaria vulgaris
(Butter and Eggs)
Linaria vulgaris, Booth Falls Trail, Eagle Co. 3982
Linaria vulgaris, Schofield Pass, Gunnison Co. 0106
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 |
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| 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 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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