Ribes quercetorum

Greene

Bull. Calif. Acad. Sci. 1: 83. 1885 ,.

Common names: Oak gooseberry
Synonyms: Grossularia quercetorum (Greene) Coville & Britton
Treatment appears in FNA Volume 8. Treatment on page 28. Mentioned on page 13.

Plants 0.6–1.5 m. Stems arched, spreading, puberulent; spines at nodes usually 1, 5–15 mm; prickles on internodes absent. Leaves: petiole 1–3 cm, puberulent, stipitate-glandular; blade roundish, deeply 3-lobed, cleft 1/2+ to midrib, sometimes with 2 shorter lobes proximally, 1–3 cm, base truncate to cordate, surfaces puberulent and stipitate-glandular, lobes cuneate, rounded, margins acutely 2–4-toothed, apex blunt-toothed. Inflorescences spreading, 2–3-flowered racemes, 1–1.5 cm, axis puberulent and glandular, flowers evenly spaced. Pedicels not jointed, 1–1.5 mm, densely puberulent and glandular; bracts broadly ovate, 1–1.5 mm, puberulent and glandular. Flowers: hypanthium yellow, tubular, 2–3 mm, puberulent; sepals not overlapping, reflexed, yellow, narrowly oblong, 3 mm; petals connivent, erect, white, narrowly obovate, not conspicuously revolute or inrolled, 1 mm; nectary disc not prominent; stamens slightly longer than petals; filaments linear, 1 mm, glabrous; anthers yellow, oval, 0.7–1 mm, apex with cupshaped depression; ovary subglabrous; styles completely connate, 4.5 mm, glabrous. Berries palatable, black, globose, 7–8 mm, glabrous.


Phenology: Flowering Nov–May.
Habitat: Rocky slopes and canyon walls, dry slopes in woodlands
Elevation: 0-2500 m

Distribution

V8 45-distribution-map.gif

Ariz., Calif., Mexico (Baja California)

Discussion

Ribes quercetorum occurs in the foothills of the Sierra Nevada, the inner Coast Ranges south to the western Colorado Desert in California (and into Baja California), and the mountains of south-central Arizona.

Selected References

None.

Lower Taxa

None.
... more about "Ribes quercetorum"
0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
blunt-toothed +
Nancy R. Morin +
Greene +
puberulent +
truncate;cordate +
globose +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
3-lobed;roundish +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Oak gooseberry +
Ariz. +, Calif. +  and Mexico (Baja California) +
0-2500 m +
not starchy +
1 cm10 mm <br />0.01 m <br /> (?) +
Rocky slopes and canyon walls, dry slopes in woodlands +
free +  and adnate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
axillary +  and terminal +
triangular +  and pentangular +
rounded +  and cuneate +
2-4-toothed +
greenish +, yellow +, purple +  and dark red +
subglabrous +
crassinucellate +  and bitegmic +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
distinct +
obovate +
inrolled +  and revolute +
1 cm10 mm <br />0.01 m <br /> (?) +
stipitate-glandular +  and puberulent +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering Nov–May. +
tubular +, campanulate +, cup-shaped +  and saucer--shaped +
Bull. Calif. Acad. Sci. +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
brown;black +
fusiform;oblong-ellipsoid or ellipsoid +
not overlapping +
3 cm30 mm <br />0.03 m <br /> (?) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
distinct +, adnate +  and free +
slightly longer +
antisepalous +
puberulent +
differentiated +
4.5 cm45 mm <br />0.045 m <br /> (?) +
stipitate-glandular +  and puberulent +
Grossularia quercetorum +
Ribes quercetorum +
species +