Difference between revisions of "Berberis amplectens"
Rhodora 39: 376. 1937.
Conservation concernEndemic
Basionym: Mahonia amplectens Eastwood Proc. Calif. Acad. Sci., ser. 4, 20: 145. 1931
Treatment appears in FNA Volume 3.
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|name=Mahonia amplectens | |name=Mahonia amplectens | ||
|authority=Eastwood | |authority=Eastwood | ||
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| + | |publication_title=Proc. Calif. Acad. Sci., ser. | ||
| + | |publication_place=4, 20: 145. 1931 | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> evergreen, 0.2-1.2 m. <b>Stems</b> monomorphic, without short axillary shoots. <b>Bark</b> of 2d-year stems purple, glabrous. <b>Bud</b> scales 3-6 mm, deciduous. <b>Spines</b> absent. <b>Leaves</b> 5-7-foliolate; petioles 1.5-5 cm. <b>Leaflet</b> blades thick and rigid; surfaces abaxially dull, papillose, adaxially dull, ± glaucous; terminal leaflet stalked, blade 4.4-5.5 × 3.1-4.6 cm, 1.1-1.4 times as long as wide; lateral leaflet blades oblong or circular, 1-5-veined from base, base truncate or cordate, margins undulate or crispate, toothed, each with 9-15 teeth 1-3 mm tipped with spines to 1.4-2.4 × 0.2-0.4 mm, apex truncate or broadly rounded. <b>Inflorescences</b> racemose, dense, 25-35-flowered, 3-6 cm; bracteoles membranous, apex obtuse or rounded. <b>Flowers</b>: anther filaments distally with pair of recurved teeth: author had no data available. <b>Berries</b> dark blue, glaucous, ovoid to elliptic, 7-9 mm, juicy, solid. <b>2n</b> = 28.</span><!-- |
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|distribution=Calif. | |distribution=Calif. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Berberis amplectens is endemic to the Peninsular Ranges of southern California. It is resistant to infection by Puccinia graminis.</p> | + | --><p><i>Berberis amplectens</i> is endemic to the Peninsular Ranges of southern California. It is resistant to infection by Puccinia graminis.</p> |
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name=Berberis amplectens | name=Berberis amplectens | ||
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|authority=(Eastwood) L. C. Wheeler | |authority=(Eastwood) L. C. Wheeler | ||
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|publication year=1937 | |publication year=1937 | ||
|special status=Conservation concern;Endemic | |special status=Conservation concern;Endemic | ||
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|genus=Berberis | |genus=Berberis | ||
|species=Berberis amplectens | |species=Berberis amplectens | ||
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Latest revision as of 21:51, 5 November 2020
Shrubs, evergreen, 0.2-1.2 m. Stems monomorphic, without short axillary shoots. Bark of 2d-year stems purple, glabrous. Bud scales 3-6 mm, deciduous. Spines absent. Leaves 5-7-foliolate; petioles 1.5-5 cm. Leaflet blades thick and rigid; surfaces abaxially dull, papillose, adaxially dull, ± glaucous; terminal leaflet stalked, blade 4.4-5.5 × 3.1-4.6 cm, 1.1-1.4 times as long as wide; lateral leaflet blades oblong or circular, 1-5-veined from base, base truncate or cordate, margins undulate or crispate, toothed, each with 9-15 teeth 1-3 mm tipped with spines to 1.4-2.4 × 0.2-0.4 mm, apex truncate or broadly rounded. Inflorescences racemose, dense, 25-35-flowered, 3-6 cm; bracteoles membranous, apex obtuse or rounded. Flowers: anther filaments distally with pair of recurved teeth: author had no data available. Berries dark blue, glaucous, ovoid to elliptic, 7-9 mm, juicy, solid. 2n = 28.
Phenology: Flowering spring (Apr–May).
Habitat: Rocky slopes in chaparral and open forest
Elevation: 900-1900 m
Discussion
Of conservation concern.
Berberis amplectens is endemic to the Peninsular Ranges of southern California. It is resistant to infection by Puccinia graminis.
Selected References
None.
Lower Taxa
None.