Berberis dictyota

Berberis dictyota, now reclassified as Berberis aquifolium var. dictyota,[1] with the common names Jepson's oregon grape and shining netvein barberry, is a flowering plant in the Barberry family.[2][8]

Berberis dictyota
Regional Parks Botanic Garden, Berkeley Hills.
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Berberidaceae
Genus: Berberis
Species:
B. dictyota
Binomial name
Berberis dictyota
Synonyms[1][2][3][4][5][6][7]
  • Berberis aquifolium var. dictyota (Jeps.) Jeps.[1][2]
  • Berberis californica Jeps
  • Mahonia dictyota (Jeps.) Fedde
  • Mahonia californica (Jeps.) Ahrendt
  • Odostemon dictyota (Jeps.) Abrams

Distribution

The plant is endemic to California. It is very widespread, found from the Peninsular Ranges in San Diego County north to the Klamath Mountains in Siskiyou County, and east to the Sierra Nevada.[1][2][9]

It is native to chaparral, Foothill oak woodland, and yellow pine forest habitats, at elevations of 600–1,800 metres (2,000–5,900 ft).[1][2][6]

Description

Berberis dictyota is an evergreen shrub up to 2 metres (6 ft 7 in) 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.[1]

Yellow flowers are borne in dense racemes of up to 50 flowers.[1] The bloom period is February through April.[2]

Berries are egg-shaped, dark blue, sometimes with a waxy coating, up to 7 mm long.[1][6][10][11]

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See also
  • Endemic flora of California
  • Flora of the California chaparral and woodlands

References
  1. Jepson eFlora: Berberis aquifolium var. dictyota . accessed 31 October 2016.
  2. Calflora: Berberis aquifolium var. dictyota . accessed 31 October 2016.
  3. Tropicos
  4. Jepson, Willis Linn. 1921. Flora of California 1: 549.
  5. Munz, P. A. & D. D. Keck. 1959. California Flora 1–1681. University of California Press, Berkeley.
  6. Flora of North America vol 3, Berberis dictyota
  7. Abrams, LeRoy. 1910. Bulletin of the New York Botanical Garden 6(21): 360, Odostemon dictyota
  8. "Mahonia dictyota". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 28 June 2015.
  9. Biota of North America Project floristic synthesis, Mahonia dictyota
  10. Jepson, Willis Linn. 1891. Bulletin of the Torrey Botanical Club 18(11): 319
  11. Fedde, Friedrich Karl Georg. 1901. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 31(1–2): 89, Mahonia dictyota
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