Berberis canadensis

Miller

Gard. Dict. ed. 8, Berberis no. 2. 1768.

Endemic
Treatment appears in FNA Volume 3.

Shrubs, deciduous, 0.4-2 m. Stems dimorphic, with long primary shoots and short axillary shoots. Bark of 2d-year stems purple or brown, glabrous. Bud-scales 1-1.5 mm, deciduous. Spines present, simple or 3 (-7) -fid. Leaves simple; petioles 0.2-0.8 (-1.3) cm. Leaf-blade oblanceolate or sometimes narrowly elliptic, 1-veined from base, 1.8-7.5 × 0.8-3.3 cm, thin and flexible, base long-attenuate, margins plane, toothed, each with 3-12 teeth 0-1 mm high tipped with bristles to 0.2-1.2 × 0.1-0.15 mm, apex rounded or rounded-obtuse; surfaces abaxially dull, smooth, adaxially dull, ± glaucous. Inflorescences racemose, lax, 3-12-flowered, 2-5.5 cm; bracteoles membranous, apex acuminate. Flowers: anther-filaments without distal pair of recurved lateral teeth. Berries red, oblong-ellipsoid, 10 mm, juicy, solid. 2n = 28.


Phenology: Flowering spring (Apr–May).
Habitat: In woods or glades, on rocky slopes and near rivers
Elevation: 100-700 m

Distribution

V3 578-distribution-map.gif

Ala., Ga., Ill., Ind., Ky., Md., Mo., N.C., Pa., Tenn., Va., W.Va.

Discussion

Berberis canadensis is susceptible to infection by Puccinia graminis.

The Cherokee Indians used scraped bark of Berberis canadensis in infusions to treat diarrhea (D. E. Moermann 1986).

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Berberis canadensis"
Alan T. Whittemore +
Miller +
brown +  and purple +
long-attenuate +
0.8cm;3.3cm +
Mahonia +
10 cm100 mm <br />0.1 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 +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.015 cm0.15 mm <br />1.5e-4 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Ala. +, Ga. +, Ill. +, Ind. +, Ky. +, Md. +, Mo. +, N.C. +, Pa. +, Tenn. +, Va. +  and W.Va. +
100-700 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 +
In woods or glades, on rocky slopes and near rivers +
axillary +  and terminal +
2 cm20 mm <br />0.02 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
reduced +
toothed;plane +
1-carpellate +
basal +  and superior +
club--shaped +
3-merous +  and 2-merous +
nectariferous +
distinct +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering spring (Apr–May). +
Gard. Dict. ed. +
not nodose +
1 +  and 10 +
distinct +
elongate +
3(-7)-fid +
elongating +
monomorphic +, unbranched +  and branched +
with elongate primary-stems and short axillary spur shoots +  and elongate +
palmate +  and pinnate +
persistent +
Odostemon +
Berberis canadensis +
Berberis +
species +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
glabrous +  and with tomentose stems +