Difference between revisions of "Berberis piperiana"

(Abrams) McMinn

Man. Calif. Shrubs, 125. 1939.

EndemicSelected by author to be illustrated
Basionym: Mahonia piperiana Abrams
Treatment appears in FNA Volume 3.
FNA>Volume Importer
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|elevation=900-1700 m
 
|elevation=900-1700 m
 
|distribution=Calif.;Oreg.
 
|distribution=Calif.;Oreg.
|discussion=<p>Berberis piperiana is resistant to infection by Puccinia graminis.</p>
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|discussion=<p><i>Berberis piperiana</i> is resistant to infection by Puccinia graminis.</p>
 
|tables=
 
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|publication year=1939
 
|publication year=1939
 
|special status=Endemic;Selected by author to be illustrated
 
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_116.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_116.xml
 
|genus=Berberis
 
|genus=Berberis
 
|species=Berberis piperiana
 
|species=Berberis piperiana

Revision as of 17:14, 18 September 2019

Shrubs, evergreen, 0.3-0.8 m. Stems monomorphic, without short axillary shoots. Bark of 2d-year stems brown or purple, glabrous. Bud scales 3-8 mm, deciduous. Spines absent. Leaves 5-9-foliolate; petioles 1-6 cm. Leaflet blades rather thick and ± rigid; surfaces abaxially dull, papillose, adaxially glossy, green; terminal leaflet stalked, blade 3.6-9.5 × 2-5.2 cm, 1.3-2.1 times as long as wide; lateral leaflet blades lance-elliptic to elliptic-ovate or narrowly oblong, 1(-3)-veined from base, base rounded to obtuse or truncate, margins undulate, toothed, each with 6-12 teeth 1-4 mm, tipped with spines to 1.6-2.8 × 0.2-0.3 mm, apex acute to rounded-obtuse. Inflorescences racemose, dense, 25-60-flowered, 3-10 cm; bracteoles membranous, apex obtuse or rounded. Flowers: anther filaments with distal pair of recurved lateral teeth. Berries dark blue and glaucous, oblong-ovoid, 7-10 mm, juicy, solid. 2n = 28.


Phenology: Flowering winter–spring (Mar–Jun).
Habitat: Open wooded and shrubby slopes
Elevation: 900-1700 m

Discussion

Berberis piperiana is resistant to infection by Puccinia graminis.

Selected References

None.

Lower Taxa

None.