Rhamnus ilicifolia

Kellogg

Proc. Calif. Acad. Sci. 2: 37. 1863.

Common names: Hollyleaf redberry
Illustrated
Synonyms: Rhamnus crocea subsp. ilicifolia (Kellogg) C. B. Wolf R. crocea var. ilicifolia (Kellogg) Greene
Treatment appears in FNA Volume 12. Treatment on page 48. Mentioned on page 46, 47.
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Shrubs or small trees, 1–4 m, unarmed. Branchlets gray, stiff, glabrous or densely and softly hirtellous. Leaves persistent, alternate; petiole 2–10 mm; blade usually dull green, sometimes reddish-brown, abaxially, glossy to dull green adaxially, broadly elliptic to oblong, orbiculate, or ovate, 2–4.5 cm, distinctly coriaceous, base cuneate to nearly truncate, margins spinulose to spinose-dentate, apex rounded or obtuse to truncate or emarginate, both surfaces glabrous; secondary-veins 5–7 pairs, all diverging at nearly same angle. Inflorescences fascicles or flowers solitary. Pedicels 2–4 mm. Sepals 4. Petals 0. Drupes red, globose, 4–6 (–8) mm; stones 2.2n = 24.


Phenology: Flowering Jan–Jun.
Habitat: Canyon slopes and bottoms, rock faces, open hillsides, sandstone ridges, serpentine slopes, roadsides, stream benches, riparian areas, meadows, coastal sage scrub, chaparral/desert transition, chaparral, woodlands, montane forests.
Elevation: 100–2200(–2400) m.

Distribution

V12 1009-distribution-map.jpg

Ariz., Calif., Nev., Oreg., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Rhamnus ilicifolia"
perigynous +  and epigynous +
emarginate +  and truncate +
obtuse +  and rounded +
Guy L. Nesom +  and John O. Sawyer† +
Kellogg +
cuneate to nearly +
green +  and reddish-brown +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
glossy +  and dull +
broadly elliptic;oblong orbiculate or ovate +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
coriaceous +
hirtellous +, densely +  and glabrous +
Hollyleaf redberry +
Ariz. +, Calif. +, Nev. +, Oreg. +  and Mexico (Baja California) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
globose +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
100–2200(–2400) m. +
bisexual +  and unisexual +
Canyon slopes and bottoms, rock faces, open hillsides, sandstone ridges, serpentine slopes, roadsides, stream benches, riparian areas, meadows, coastal sage scrub, chaparral/desert transition, chaparral, woodlands, montane forests. +
circumscissile +
free +  and adnate +
campanulate +  and cupulate +
unisexual +  and bisexual +
persistent +
spinulose to spinose-dentate +
intrastaminal +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not fleshy +
perigynous +  and epigynous +
yellowish +  and cream +
adnate +  and distinct +
not clawed +  and spatulate +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Jan–Jun. +
2-4-carpellate +
Proc. Calif. Acad. Sci. +
oblong-obovoid +  and obovoid +
greenish white +  and white +
distinct +
crested;not keeled;ovate-triangular +
opposite +  and subopposite +
Illustrated +
4 +  and 5 +
2 +  and 4 +
Rhamnus crocea subsp. ilicifolia +  and R. crocea var. ilicifolia +
Rhamnus ilicifolia +
species +
deciduous +  and evergreen +
tree +  and shrub +
spreading +  and erect +
polygamous +, dioecious +  and synoecious +