birdandhike.com logo
Whitebract Blazingstar (Mentzelia involucrata)
Annual Forbs Around Las Vegas, Vegetation Around Las Vegas
Blazing Star (Mentzelia involucrata)

General: Whitebract Blazingstar (Mentzelia involucrata) is an annual forb that looks like a small, rounded shrub (a mound of crinkled leaves) topped with large, cup-shaped, pale yellow flowers. The medium-sized leaves are hairy, and the flowers have five petals and many stamens.

Whitebract Blazingstar is an uncommon component of desert vegetation communities during the spring. It can be found on dry, well-drained sandy and gravelly desert flats, bajadas, and moderate slopes in the lower mountains in the Lower Sonora (Creosote-Bursage Flats) and Upper Sonoran (Mojave Desert Scrub) life zones.

Blazing Star (Mentzelia involucrata)

Family: Loasa (Loasaceae).

Other Names:

Plant Form: Rounded, herbaceous annual.

Height: To about 14-inches tall.

Blazing Star (Mentzelia involucrata)

Stems: Thick, but not woody.

Leaves: Alternate, linear to oval, to about 3/4 inch long, irregularly toothed. Hairs present.

Flowers: Blooms early to late spring. Inflorescence: single flowers. Flower: 5 petals; petals 1/2 to 2-1/2 inches, pale yellow; stamens to 1-inch long.

Seeds: Fruit: capsule.

Blazing Star (Mentzelia involucrata)
Note white bracts left after the flower

Habitat: Dry, well-drained sandy, gravelly, and rocky soils on upper bajadas and moderate slopes in the lower mountains.

Elevation: To about 3,000 feet.

Distribution: Nevada to California, and south into Mexico.

Comments:

Whitebract Blazingstar (Mentzelia involucrata) Whitebract Blazingstar (Mentzelia involucrata)
Whitebract Blazingstar (Mentzelia involucrata) Whitebract Blazingstar (Mentzelia involucrata)
Whitebract Blazingstar (Mentzelia involucrata) Blazing Star (Mentzelia involucrata)
Whitebract Blazingstar (Mentzelia involucrata) Whitebract Blazingstar (Mentzelia involucrata)
Whitebract Blazingstar (Mentzelia involucrata) Whitebract Blazingstar (Mentzelia involucrata)

Note: All distances, elevations, and other facts are approximate. Names generally follow the USDA database.
copyright; Last updated 141117

All Annual Forbs Plant Species Index Glossary Copyright, Conditions, Disclaimer Home

 

Google Ads