Samiksha Jaiswal (Editor)

Purshia tridentata

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Kingdom  Plantae
Family  Rosaceae
Scientific name  Purshia tridentata
Rank  Species
Order  Rosales
Genus  Purshia
Higher classification  Purshia
Purshia tridentata Purshia tridentata Colorado Wildflowers

Similar  Purshia, Sagebrush, Cercocarpus, Ericameria nauseosa, Pseudoroegneria spicata

Purshia tridentata, with the common name bitterbrush, is a shrub in the genus Purshia of the family Rosaceae. It is native to mountainous areas of western North America.


Purshia tridentata Bitterbrush

Common names include antelope bitterbrush, antelope bush, buckbrush, quinine brush, and less commonly deerbrush, blackbrush, and greasewood. Some of these names are shared with other species.

Purshia tridentata Purshia tridentata bitterbrush


Purshia tridentata httpsuploadwikimediaorgwikipediacommonsthu

The plant is found from southeastern British Columbia in the north, east to Montana and Wyoming, south to New Mexico, and west in California. It grows on arid mountainsides and slopes.

Purshia tridentata Profile Purshia tridentata

In California it occurs between 700–3,400 metres (2,300–11,200 ft) above sea level, including in the Peninsular Ranges, Transverse Ranges, and Sierra Nevada, and southern Cascade Range. Further north it occurs at lower elevations, such as at 320–1,065 metres (1,050–3,494 ft) in British Columbia.


Purshia tridentata Bitterbrush Antelope Brush Antelopebrush Bitterbrush Purshia

Purshia tridentata is a deciduous shrub growing to a height of 1–5 metres (3.3–16.4 ft). It has slender three- to five-lobed leaves 5–20 mm long. It is a nitrogen fixing plant.

Purshia tridentata Purshia tridentata Antelope bitterbrush Discover Life

The flowers are pale yellow, with five petals 6–8 mm long, and darker yellow anthers. The fruit is a cluster of dry, slender, leathery achenes 0.6–2 cm long.


There are two named varieties of the species:

  • Purshia tridentata var. glandulosa — Eastern Sierra Nevada, Southern California.
  • Purshia tridentata var. tridentata
  • References

    Purshia tridentata Wikipedia