Berberis wilcoxii

Kearney

Trans. New York Acad. Sci. 14: 29. 1894.

Treatment appears in FNA Volume 3.

Shrubs, evergreen, 0.3-2 m. Stems ± monomorphic, seldom with short axillary shoots. Bark of 2d-year stems purple or brown, glabrous. Bud-scales 2-6 mm, deciduous. Spines absent. Leaves 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. Inflorescences racemose, dense, 30-50-flowered, 2-7 cm; bracteoles membranous, apex rounded or obtuse. Flowers: anther-filaments with distal pair of recurved lateral teeth. Berries blue, glaucous, oblong-ovoid, 6-11 mm, juicy, solid.


Phenology: Flowering spring (Apr–May).
Habitat: Slopes and canyons
Elevation: 1500-2500 m

Distribution

V3 1008-distribution-map.gif

Ariz., N.Mex., Mexico (Sonora)

Discussion

Berberis wilcoxii has not been tested for resistance to infection by Puccinia graminis.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Berberis wilcoxii"
Alan T. Whittemore +
Kearney +
brown +  and purple +
obtuse;rounded or truncate +
Mahonia +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
2.6 cm26 mm <br />0.026 m <br /> (6.6 cm66 mm <br />0.066 m <br />) +
obovate +, oblanceolate +  and elliptic +
1.2 cm12 mm <br />0.012 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
1.7cm;4.4cm +
scale-like +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Ariz. +, N.Mex. +  and Mexico (Sonora) +
1500-2500 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 +
Slopes and canyons +
axillary +  and terminal +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
5-9-foliolate +
reduced +
toothed;plane;crispate +
1-carpellate +
basal +  and superior +
club--shaped +
3-merous +  and 2-merous +
nectariferous +
distinct +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering spring (Apr–May). +
Trans. New York Acad. Sci. +
not nodose +
1 +  and 10 +
distinct +
elongate +
1.2mm;3.8mm +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
elongating +
monomorphic +
with elongate primary-stems and short axillary spur shoots +  and elongate +
palmate +  and pinnate +
persistent +
glossy +  and dull +
papillose +
Odostemon +
Berberis wilcoxii +
Berberis +
species +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glabrous +  and with tomentose stems +