Berberis fremontii Torr.
Mahonia fremontii is native to California and the southwestern United States and parts of Northwest Mexico, where it grows in chaparral and other open habitat.
Mahonia fremontii is an erect evergreen shrub growing up to 4.5 meters tall. The leaves are several centimeters long and are made up of several holly-leaf-shaped leaflets, each about 2 centimeters long and edged with spiny teeth. The leaves are purplish when new, green when mature, and greenish blue when aged.
The abundant inflorescences each bear 8 to 12 bright yellow flowers, blooming generally in the spring but sometimes in the fall. Each flower is made up of nine sepals and six petals all arranged in whorls of three. The fruit is a berry up to 1.5 centimeters wide, ranging in color from yellowish to purple to nearly black.
- Stevenson, Matilda Coxe 1915 Ethnobotany of the Zuni Indians. SI-BAE Annual Report #30 (p. 88)
|Wikimedia Commons has media related to Mahonia fremontii.|
- Jepson Manual Treatment - Mahonia fremontii
- USDA Plants Profile: Mahonia fremontii
- Flora of North America: Berberis fremontii
- Colorado Wildflowers Mahonia Fact Sheet
- Mahonia fremontii - U.C.Photo gallery
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