Berberis darwinii

Hooker

Icon. Pl. 7: 672. 1844.

Introduced
Treatment appears in FNA Volume 3.

Shrubs, evergreen, 1-3 m. Stems dimorphic, with elongate primary and short axillary shoots. Bark of 2d-year stems brown, densely tomentose. Bud-scales 2-4 mm, deciduous. Spines present, pedately 5-9-fid. Leaves simple; petioles 0.1-0.3 cm. Leaf-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. Inflorescences racemose, rather dense, 10-20-flowered, 3-4 cm; bracteoles membranous, apex acuminate. Flowers: anther-filaments without distal pair of recurved lateral teeth. Berries dark purple, spheric, 6-7 mm, juicy, solid.


Phenology: Flowering winter (Feb).
Habitat: Humid areas near coast
Elevation: 0-20 m

Distribution

V3 690-distribution-map.gif

Introduced; Calif., Oreg., native, s South America

Discussion

Berberis darwinii only rarely escapes from cultivation. It is resistant to infection by Puccinia graminis.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Berberis darwinii"
Alan T. Whittemore +
Hooker +
acuminate;acute +
0.9cm;1.2cm +
Mahonia +
dark purple +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
obovate +, oblanceolate +  and elliptic +
1.2 cm12 mm <br />0.012 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
scale-like +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Calif. +, Oreg. +, native +  and s South America +
0-20 m +
small +  and large +
showy +  and inconspicuous +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
compound +  and simple +
spheric +  and cylindric-ovoid or ellipsoid +
Humid areas near coast +
axillary +  and terminal +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1.7 cm17 mm <br />0.017 m <br /> (3 cm30 mm <br />0.03 m <br />) +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
lobed;toothed;undulate +
1-carpellate +
basal +  and superior +
club--shaped +
3-merous +  and 2-merous +
nectariferous +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering winter (Feb). +
not nodose +
1 +  and 10 +
distinct +
elongate +
Introduced +
1.2mm;1.6mm +
5-9-fid +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
elongating +
monomorphic +, unbranched +  and branched +
with elongate primary-stems and short axillary spur shoots +  and elongate +
palmate +  and pinnate +
persistent +
Odostemon +
Berberis darwinii +
Berberis +
species +
glabrous +  and with tomentose stems +