Ribes divaricatum |
Ribes quercetorum |
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coast black gooseberry, coastal black gooseberry, spreading gooseberry, straggly currant, straggly gooseberry, wild black gooseberry |
oak gooseberry, oakwoods gooseberry, rock gooseberry |
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Habit | Plants 1–3 m. Stems erect to spreading, ± pubescent throughout; spines at nodes absent or 1–3, 5–20 mm; prickles on internodes absent or sparse. | 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, pilose with glandular and eglandular hairs, some plumose hairs at base; blade roundish to nearly reniform, 3- (or 5-)lobed, cleft 1/2 to midrib, proximal segments again shallowly cleft into 2 unequal lobes, 2–3.5 cm, base rounded to cordate, surfaces pubescent abaxially, subglabrous or finely pubescent adaxially, lobes cuneate, margins prominently crenate-serrate, apex rounded. |
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. |
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Inflorescences | pendent, solitary flowers or 2–4-flowered racemes, 2–4 cm, axis glabrous or pilose, flowers evenly spaced. |
spreading, 2–3-flowered racemes, 1–1.5 cm, axis puberulent and glandular, flowers evenly spaced. |
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Pedicels | not jointed, 3–12 mm, glabrous or pilose; bracts oval, 1–2 mm, glabrous or ciliate with stiff hairs and glands. |
not jointed, 1–1.5 mm, densely puberulent and glandular; bracts broadly ovate, 1–1.5 mm, puberulent and glandular. |
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Flowers | hypanthium greenish or purplish, obconic, 1.5–3.5 mm, glabrous or copiously pubescent; sepals not overlapping, spreading-reflexed, red or reddish or purplish green, narrowly oblong-deltate, 3.4–6 mm; petals distally nearly connivent to overlapping, erect, white or pink to red, cuneate-lunate to obovate, not conspicuously revolute or inrolled, 1.2–3 mm; nectary disc not prominent; stamens 2.5–3.5 times as long as petals; filaments linear, 3.5–7 mm, glabrous; anthers cream, oval, 1 mm, apex rounded; ovary glabrous; styles connate ca. 1/2 their lengths, 5–11 mm, copiously pilose-villous in proximal 3/4. |
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 cup-shaped depression; ovary subglabrous; styles completely connate, 4.5 mm, glabrous. |
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Berries | palatable, purplish black, subglobose, 6–12 mm, glabrous. |
palatable, black, globose, 7–8 mm, glabrous. |
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2n | = 16. |
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Ribes divaricatum |
Ribes quercetorum |
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Phenology | Flowering Nov–May. | |||||||||
Habitat | Rocky slopes and canyon walls, dry slopes in woodlands | |||||||||
Elevation | 0-2500 m (0-8200 ft) | |||||||||
Distribution |
CA; OR; WA; BC
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AZ; CA; Mexico (Baja California)
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Discussion | Varieties 3 (3 in the flora). Hybrids between Ribes divaricatum and R. niveum and R. divaricatum and R. lobbii have been propagated for the horticultural trade. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 38. | FNA vol. 8, p. 28. | ||||||||
Parent taxa | Grossulariaceae > Ribes | Grossulariaceae > Ribes | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Grossularia divaricata | Grossularia quercetorum | ||||||||
Name authority | Douglas: Trans. Hort. Soc. London 7: 515. 1830 , | Greene: Bull. Calif. Acad. Sci. 1: 83. 1885 , | ||||||||
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