Flora of North America species comparison

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Berberis wilcoxii

Wilcox's barberry, Wilcox's hollygrape
Habit Shrubs, evergreen, 0.3-2 m. Stems ± monomorphic, seldom with short axillary shoots.
Bark

of 2d-year stems purple or brown, glabrous.
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.
Spines

absent.
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.
Bud

scales 2-6 mm, deciduous.

Berberis wilcoxii
Phenology Flowering spring (Apr–May).
Habitat Slopes and canyons
Elevation 1500-2500 m (4900-8200 ft)
Distribution
from FNA
AZ; NM; Mexico (Sonora)
[WildflowerSearch map]
[BONAP county map]
Discussion

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.
Parent taxa Berberidaceae > Berberis
Sibling taxa
B. amplectens, B. aquifolium, B. bealei, B. canadensis, B. darwinii, B. dictyota, B. fendleri, B. fremontii, B. haematocarpa, B. harrisoniana, B. higginsiae, B. nervosa, B. nevinii, B. pinnata, B. piperiana, B. pumila, B. repens, B. swaseyi, B. thunbergii, B. trifoliolata, B. vulgaris
Name authority Kearney: Trans. New York Acad. Sci. 14: 29. (1894)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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