Berberis nevinii

A. Gray in A. Gray et al.
in A. Gray et al., Syn. Fl. N. Amer. 1: 69. 1895.
Conservation concernEndemic
Synonyms: Mahonia nevinii (A. Gray) Fedde
Treatment appears in FNA Volume 3.

Shrubs, evergreen, 1-4 m. Stems ± dimorphic, with elongate primary and short or somewhat elongate axillary shoots. Bark of 2d-year stems grayish or brownish purple, glabrous. Bud scales 2-3 mm, deciduous. Spines absent. Leaves 3-5(-7)-foliolate; petioles 0.2-0.7 cm. Leaflet blades thin but rigid; surfaces abaxially dull, papillose, adaxially dull, glaucous; terminal leaflet stalked in most or all leaves, blade 2.1-4.1 × 0.7-1.1 cm, 3-6 times as long as wide; lateral leaflet blades lance-ovate or lance-elliptic to lanceolate, 1-veined from base, base obtuse or rounded, margins plane or undulate, toothed, each with 4-11 teeth 0-1 mm high tipped with spines to 0.4-2 × 0.1-0.2 mm, apex acuminate. Inflorescences racemose, lax, 3-8-flowered, 2-5 cm; bracteoles membranous, apex acuminate, sometimes with proximal bracteoles leathery, spinose-acuminate. Flowers: anther filaments with distal pair of recurved lateral teeth. Berries yellowish red to red, not glaucous, spheric, 5-6 mm, juicy, solid.


Phenology: Flowering winter–spring (Feb–May).
Habitat: Sandy slopes and washes in chaparral, coastal scrub, and riparian scrub
Elevation: 0-600 m

Discussion

Of conservation concern.

Berberis nevinii is known from scattered populations from San Francisquito Canyon, north of Valencia, south to Dripping Springs, near Aguanga. It is susceptible to infection by Puccinia graminis.

Selected References

None.

Lower Taxa

None.

... more about "Berberis nevinii"
Alan T. Whittemore +
A. Gray in A. Gray et al. +
Mahonia +
0-600 m +
Sandy slopes and washes in chaparral, coastal scrub, and riparian scrub +
Flowering winter–spring (Feb–May). +
in A. Gray et al., Syn. Fl. N. Amer. +
Conservation concern +  and Endemic +
Mahonia nevinii +
Berberis nevinii +
Berberis +
species +