Difference between revisions of "Berberis amplectens"
Rhodora 39: 376. 1937.
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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_title=Proc. Calif. Acad. Sci., ser. | ||
|publication_place=4, 20: 145. 1931 | |publication_place=4, 20: 145. 1931 | ||
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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 | ||
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.