Blooms: May-July
Habit: herb
Duration: annual
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: East of the Cascades in Washington; Washington south to southern California, east to Montana and Colorado.
Habitat: Dry soil, from the plains into the canyons and slopes of the lower mountains.

Species Description:

General: Finely pubescent annual, the stems 1-4 dm. tall, simple or freely-branched, single or several.
Leaves: Leaves mostly alternate, scabrous and brittle, lanceolate to ovate-lanceolate, entire to wavy margined to deeply lobed; lower leaves short-petiolate, upper leaves sessile, bracteate leaves opposite.
Flowers: Flowers irregularly cymose in compact clusters; calyx lobes 5, 2 mm. long; petals 5, distinct, yellow, 3-6 mm. long; stamens 15-35, shorter than the petals; style 1, ovary inferior.
Fruits: Capsule linear, 1-3 cm. long, 1.5-2 mm. thick.

Mentzelia dispersa S. Wats.

Treated in Flora of the PNW as:

PNW Herbaria Specimens: View list of Mentzelia dispersa specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Mentzelia dispersa specimens in the WTU Herbarium database.

Washington Flora Checklist: Mentzelia dispersa treatment.

E-Flora BC: Mentzelia dispersa atlas page.

CalPhotos: Mentzelia dispersa images.

USDA Plants Database: Mentzelia dispersa.