Difference between revisions of "Berberis piperiana"

(Abrams) McMinn

Man. Calif. Shrubs, 125. 1939.

EndemicIllustrated
Basionym: Mahonia piperiana Abrams Phytologia 1: 91. 1934
Treatment appears in FNA Volume 3.
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|basionyms={{Treatment/ID/Basionym
 
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|name=Mahonia piperiana
 
|name=Mahonia piperiana
 
|authority=Abrams
 
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name=Berberis piperiana
 
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|publication year=1939
 
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|special status=Endemic;Selected by author to be illustrated
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|special status=Endemic;Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_116.xml
 
|genus=Berberis
 
|genus=Berberis
 
|species=Berberis piperiana
 
|species=Berberis piperiana

Revision as of 22:25, 16 December 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.