Mentzelia laevicaulis (Smoothstem blazingstar)

Drought tolerant native biennial or short-lived perennial with yellow star-like flowers, blooming June to September. Prefers sandy or gravelly soil on disturbed sites, road cuts and rocky slopes; up to 10,000 ft. elevation. Barbed hairs on leaves and seed capsules easily fasten to fur and clothing, likely as a mechanism of seed dispersal.

DISTRIBUTION / ADAPTATION

Mentzelia laevicaulis (Smoothstem blazingstar) map.png

INFORMATION & ATTRIBUTES

Family: Loasaceae

Duration: Annual

Growth Habit: Forb/herb

Native Status: Native

Growth Form: 

Mature Height:  in.

Bloom Color: Yellow

Bloom Period: March-July

Annual Precipitation: 5-55 in.

Drought Tolerance:

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status:

Fire Resistance:

Fire Tolerance:

Nitrogen Fixation:

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance:

CaCO3 Tolerance:

pH Range:


SEEDING NOTES

Seeds per Pound:

Seeding Rate:  PLS lbs/acre

Season:

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

None


ADDITIONAL LINKS

USDA PLANTS Profile

Wildflowers of the Pacific Northwest

Burke Museum of Natural History and Culture

Consortium of Pacific Northwest Herbaria