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Purshia tridentata Antelope bitterbrush

Previous scientific name(s): Purshia tridentata var. tridentata

 

Evergreen prostrate to upright shrub from 2 to 15 ft. tall, occurring on medium to well-drained soils whose origin was from a sedimentary or igneous rock; from near sea level to 10,000 ft. elevation. Found on plains, foothills, mountain slopes and ridges. Moderately palatable to livestock and highly palatable to big game animals, especially in winter.

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Species Attributes

Height:

2 - 15 feet

Life Form:

Native or Introduced:

Native

Season:

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon

Elevation:

0 - 10,000 ft.

Precipitation:

10 in.

Soil Texture
Coarse:

Marginal

Moderately Coarse:

Best

Medium:

Best

Moderately Fine:

Average

Fine:

Not Adapted

Soil pH
Acidic:

Marginal

Neutral:

Best

Basic:

Average

Seeding Rate:

PLS lbs/Acre

Pure Seed per Bushel:

50.60 lbs.

Seeds per Pound:

15,000

Germination Time:

Days

Blooming Season:

Spring Summer

Mycorrhizal Dependent:

Yes

Bloom Color:

Yellow

Variety:

Lassen

A large, tall form of the species selected for release due to its productivity, upright growth habit, seedling vigor, and retention of overwintering leaves. It is adapted for use on deep, coarse, well-drained soils in northwest CA, eastern OR, southwest ID, and northern NV. (Released 1984, source of ecotype: Janesville, CA in Lassen County)

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