Erysimum capitatum

(Western Wallflower)

_DSC1056%20copy

Erysimum capitatum, Gold Dust Trail, Park Co. 6912

_DSC1056%20copy

Erysimum capitatum, Sheep Park, Park Co. 4717

_DSC1056%20copy

Erysimum capitatum, Middle Swan Valley, Summit Co. 5886

_DSC1056%20copy

Erysimum capitatum, Loveland Pass, Summit Co. N2008

_DSC1056%20copy

Erysimum capitatum, The Highlands, Breckenridge 4795

_DSC1056%20copy

Erysimum capitatum, The Highlands, Breckenridge 4808

_DSC1056%20copy

Erysimum capitatum, The Highlands, Breckenridge 4811

_DSC1056%20copy

Lower Leaf Surface, Eriogonum umbellatum var. umbellatum, Swan Mountain, Summit Co. 3742

Scientific Name Erysimum capitatum USDA PLANTS Symbol ERCA14
Common Name Western Wallflower ITIS Taxonomic Serial No. 22932
Family Brassicaceae (Mustard) SEINet
Reference
Click Here
Description Life zones and habitat: Plains to alpine (3500 to 13500 ft.); sandy, rocky, gravelly slopes, meadows, dunes.
Plant: Erect unbranched biennial or short-lived perennial 4 to 40 inches tall, usually shorter.
Leaves: Long, basal and stem leaves, blade spatulate to narrowly oblanceolate or linear, 3/4 to 7 inches long; grayish-green from very small hairs on surfaces; may have small teeth along edges; pointed tips. Basal leaves usually withered by flowering.
Inflorescence: Bright yellow to orange flowers in rounded clusters, each with 4 reflexed (bent backward) petals.
Bloom Period: May to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

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