Rhamnus alaternus

Linnaeus

Sp. Pl. 1: 193. 1753.

Common names: Italian or evergreen buckthorn
Introduced
Treatment appears in FNA Volume 12. Treatment on page 50. Mentioned on page 46.

Shrubs, 0.5–6(–10) m, unarmed. Branchlets purplish brown, puberulent. Leaves persistent, alternate; petiole 4–10 mm; blade dull to glossy yellowish green on both surfaces, elliptic to elliptic-obovate, ovate, or ovate-lanceolate, 2–4(–6) cm, distinctly coriaceous, base acute to obtuse, margins sharply serrate to spinulose-serrate, apex acute to subspinulose, both surfaces glabrous except abaxial vein axils tomentose; secondary veins (3–)4–5 pairs, basal pair diverging much more acutely than distal pairs. Inflorescences cymes or flowers solitary. Pedicels 2–6 mm. Sepals 5. Petals 0. Drupes dark red, becoming black, globose, 5–7 mm; stones 3.


Phenology: Flowering (Feb–)Mar–Jun.
Habitat: Woodland edges, fencerows, low areas, stream banks, canyons, arroyos.
Elevation: 0–400 m.

Distribution

V12 416-distribution-map.jpg

Introduced; Calif., Europe, introduced also in Pacific Islands (New Zealand), Australia.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Rhamnus alaternus"
Guy L. Nesom +  and John O. Sawyer† +
Linnaeus +
Italian or evergreen buckthorn +
Calif. +, Europe +, introduced also in Pacific Islands (New Zealand) +  and Australia. +
0–400 m. +
Woodland edges, fencerows, low areas, stream banks, canyons, arroyos. +
Flowering (Feb–)Mar–Jun. +
Introduced +
Rhamnus alaternus +
species +