Regularity: Regularly occurring
Life History and Behavior
National NatureServe Conservation Status
Rounded National Status Rank: N4 - Apparently Secure
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Berberis dictyota is a plant species endemic to California but very widespread in that state, found from San Diego County to Siskiyou County. It is generally found in open shrubby locations at elevations of 600–1800 m.
Berberis dictyota is an evergreen shrub up to 2 m tall. Leaves are pinnate, with 5-7 leaflets; leaflets thick and rigid, whitish with a thick waxy layer on the underside, up to 9 cm long, with spines along the edges. Flowers are borne in dense racemes of up to 50 flowers. Berries are egg-shaped, dark blue, sometimes with a waxy coating, up to 7 mm long.
- Flora of North America vol 3, Berberis dictyota
- Biota of North America Project floristic synthesis, Mahonia dictyota
- Jepson, Willis Linn. 1891. Bulletin of the Torrey Botanical Club 18(11): 319
- Fedde, Friedrich Karl Georg. 1901. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 31(1–2): 89, Mahonia dictyota
- Abrams, LeRoy. 1910. Bulletin of the New York Botanical Garden 6(21): 360, Odostemon dictyota
- Jepson, Willis Linn. 1921. Flora of California 1: 549.
- Munz, P. A. & D. D. Keck. 1959. California Flora 1–1681. University of California Press, Berkeley.
Berberis dictyota is resistant to infection by Puccinia graminis .
Medicinally, the Kawaiisu used a decoction of the root of Berberis dictyota to treat gonorrhea (D. E. Moermann 1986).
Names and Taxonomy
Comments: Kartesz (1999 floristic synthesis) includes Mahonia californica here.
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