Berberis darwinii |
Berberis wilcoxii |
|
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Darwin's barberry, Darwin's berberis |
Wilcox's barberry, Wilcox's hollygrape |
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Habit | Shrubs, evergreen, 1-3 m. Stems dimorphic, with elongate primary and short axillary shoots. | Shrubs, evergreen, 0.3-2 m. Stems ± monomorphic, seldom with short axillary shoots. |
Bark | of 2d-year stems brown, densely tomentose. |
of 2d-year stems purple or brown, glabrous. |
Leaves | blade obovate, 1-veined from base, 1.7-3 × 0.9-1.2 cm, thick and rigid, base acute or acuminate, margins reflexed, undulate, toothed or shallowly lobed, each with 2-4 teeth or lobes 1-3 mm high tipped with spines to 1.2-1.6 × 0.2-0.3 mm, apex obtuse or rounded; surfaces abaxially glossy, smooth, adaxially glossy, green. |
5-9-foliolate; petioles 1-5 cm. |
Leaflet | blades thick and rigid; surfaces abaxially dull, papillose, adaxially glossy, green; terminal leaflet stalked, blade 2.6-6.6 × 1.7-4.4 cm, 1-2.5 times as long as wide; lateral leaflet blades oblong to ovate or elliptic, 1-3-veined from base, base obtuse to rounded or truncate, margins plane to crispate, toothed, each with 3-5 teeth 1-5 mm tipped with spines to 1.2-3.8 × 0.2-0.6 mm, apex acute to rounded. |
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Spines | present, pedately 5-9-fid. |
absent. |
Inflorescences | racemose, rather dense, 10-20-flowered, 3-4 cm; bracteoles membranous, apex acuminate. |
racemose, dense, 30-50-flowered, 2-7 cm; bracteoles membranous, apex rounded or obtuse. |
Flowers | anther filaments without distal pair of recurved lateral teeth. |
anther filaments with distal pair of recurved lateral teeth. |
Berries | dark purple, spheric, 6-7 mm, juicy, solid. |
blue, glaucous, oblong-ovoid, 6-11 mm, juicy, solid. |
Bud | scales 2-4 mm, deciduous. |
scales 2-6 mm, deciduous. |
Berberis darwinii |
Berberis wilcoxii |
|
Phenology | Flowering winter (Feb). | Flowering spring (Apr–May). |
Habitat | Humid areas near coast | Slopes and canyons |
Elevation | 0-20 m (0-100 ft) | 1500-2500 m (4900-8200 ft) |
Distribution |
CA; OR; native; s South America [Introduced in North America]
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AZ; NM; Mexico (Sonora)
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Discussion | Berberis darwinii only rarely escapes from cultivation. It is resistant to infection by Puccinia graminis. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Berberis wilcoxii has not been tested for resistance to infection by Puccinia graminis. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Berberidaceae > Berberis | Berberidaceae > Berberis |
Sibling taxa | ||
Name authority | Hooker: Icon. Pl. 7: 672. (1844) | Kearney: Trans. New York Acad. Sci. 14: 29. (1894) |
Web links |
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