Wallflower (3)

Wallflower
Erysimum capitatum

Family: Mustard (Brassicaceae)
AKA: Western Wallflower, Sand Dune Wallflower
Photo taken on: May 27, 2006
Location: Almont Triangle, GV, CO
Life Zones: Plains to alpine
Habitat: Meadows and slopes

Flowers are more than ½" across, much larger than the other Wallflowers, Mustards and Golden Draba. It grows from a few inches to 30" high depending on life zone. Leaves are narrow and few. Flower color ranges from pale yellow to deep orange to pink-purple. Slender seed pods are straight and up to 4" long.

Flora of North America reference.

Shy Wallflower
Erysimum inconspicuum

Family: Mustard (Brassicaceae)
AKA:
Photo taken on: April 30, 2017
Location: Red Wash Canyon, Abiquiu, NM
Life Zones: Plains to alpine
Habitat: Pinyon-juniper woodlands, waste areas

Grows to 2 feet, very similar in appearance to E. capitatum but the  flowers are much smaller, about ¼" across, and the seed pods are only 2" long.

Flora of North America reference.

Wormseed Wallflower
Erysimum cheiranthoides

Family: Mustard (Brassicaceae)
AKA: Wormseed Mustard
Photo taken on: July 24, 2021
Location: Roaring Judy Fish Hatchery, GV, CO
Life Zones: Plains to foothills
Habitat: Moist areas, waste areas

Grows to over 3 feet tall with grooved stems. Leaves are narrowly lance-shaped and more numerous than the other Wallflowers on this page. Flowers are much smaller, about ¼" across. The blooming stem elongates as it matures, as can be seen at the top of this plant. Seed pods are 1" long.

Flora of North America reference.