Wyethia amplexicaulis
(Northern Mule’s Ears)
Wyethia amplexicaulis, Green Mountain Reservoir, Summit Co. 0377
Wyethia amplexicaulis, Green Mountain Reservoir, Summit Co. 0390
Wyethia amplexicaulis, Green Mountain Reservoir, Summit Co. 0395
Wyethia amplexicaulis, CR 12, Kebler Pass Rd., Gunnison Co. 3742
Wyethia amplexicaulis, CR 12, Kebler Pass Rd., Gunnison Co. 3749
Wyethia amplexicaulis, CR 12, Kebler Pass Rd., Gunnison Co. 3740
Wyethia amplexicaulis, CR 12, Kebler Pass Rd., Gunnison Co. 3747
Wyethia amplexicaulis, Green Mountain Reservoir, Summit Co. 07289
| Scientific Name | Wyethia amplexicaulis | USDA PLANTS Symbol | WYAM |
| Common Name | Mule's Ears | ITIS Taxonomic Serial No. | 38674 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
Click Here |
| Description |
Life zones and habitat: Foothills and montane (6500 to 10500 ft.); moister soils in draws, meadows, open woods, and open
grasslands; often growing in large, massive displays covering acres of meadows. Plant: Leafy perennial 10 to 32 inches tall; hairless stems and leaves. Leaves: Shiny basal leaves, smooth (hairless), dark green lanceolate-elliptic or oblong-lanceolate blades, 6 to 12 inches long (or more); margins usually entire, sometimes denticulate or dentate, prominent veins; stem leaves are similar but smaller going upward, upper leaves sessile or clasping. Inflorescence: Single or (more often) 2 to 8 bright yellow sunflower-like heads 2 to 5 inches across, 8 to 21 ray florets and numerous yellow disk florets; central head is larger; hemispherical to conical involucre with 18 to 36 or more phyllaries in layers, 3/4 to 1-1/4 inches long (outer longer than inner), hairless. Bloom Period: June to August. References: "Flora of Colorado" by Jennifer Ackerfield, Paul Slichter, Fire Effects Information System and SEINet. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains