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Western Wallflower (Erysimum capitatum)
Perennial Forbs Around Las Vegas, Vegetation Around Las Vegas
Western Wallflower (Erysimum capitatum)

General: Western Wallflower (Erysimum capitatum) is a biennial or short-lived perennial herb with a cluster of long, linear leaves near the base and usually a single upright stalk with a ball of yellow flowers at the top.

Western Wallflower is a common component of vegetation communities in open, forested mountain areas in the Transition (Yellow Pine Forest) and Canadian (Pine-Fir Forest) life zones.

 

Family: Mustard (Brassicaceae).

Western Wallflower (Erysimum capitatum)

Other Names:

Plant Form: Upright perennial forb growing from a basal rosette.

Height: Usually shin- to knee-high

Stems: Usually one, upright.

Leaves: Leaves in basal rosettes and cauline; linear, entire; tip generally acute; to 25 cm long. Leaves with branched hairs.

Flowers: Blooms in the spring and early summer. Inflorescence: raceme. Petals 12–30 mm, yellow.

Western Wallflower (Erysimum capitatum)

Seeds: Fruit silique; generally upright, 3–15 cm long, 1–4 mm wide, fleshy when immature, flattened when mature. Seed 1–4 mm long, 1–2 mm wide.

Habitat: Dry, open woodlands around Las Vegas

Elevation: To about 13,000 feet.

Distribution: Widespread across the western and central North America.

Comments:

Western Wallflower (Erysimum capitatum) Western Wallflower (Erysimum capitatum)

Note: All distances, elevations, and other facts are approximate. Names generally follow the USDA database.
copyright; Last updated 141118

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