Appearance
''Purshia tridentata'' is a deciduous shrub growing to a height of 1–5 metres . It has slender three- to five-lobed leaves 5–20 mm long. It is a nitrogen fixing plant.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.
Distribution
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.In California it occurs between 700–3,400 metres 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 in British Columbia.
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