Ribes sanguineum |
Ribes nigrum |
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blood currant, flowering currant, red currant, red-flowering currant, redflower currant, winter currant |
cultivated black currant, European black currant, gadellier noir, garden black currant |
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Habit | Plants 1–4 m. Stems erect, finely pubescent, stipitate-glandular; spines at nodes absent; prickles on internodes absent. | Plants 1–2 m. Stems erect, glandular and puberulent or nearly glabrous; spines at nodes absent; prickles on internodes absent. | ||||
Leaves | petiole 2–7 cm, puberulent, short stipitate-glandular; blade broadly reniform or cordate-orbiculate to deltate-ovate, nearly equally to irregularly 5-lobed, cleft nearly 1/4 to midrib, 2–7 cm, base subtruncate to cordate, surfaces puberulent to whitish-tomentose abaxially, puberulent adaxially or puberulent and colorless, sessile-glandular on both surfaces, lobes deltate to obtuse, margins finely 2–3 times crenate and denticulate or serrate, apex broadly acute. |
petiole 1–4 cm, pubescent, sometimes with longer setose hairs basally; blade reniform, 3–5-lobed, cleft nearly to midrib, 5–10 cm, base cordate, surfaces with shiny, resinous glands, lobes broadly ovate, margins irregularly serrate, apex acute. |
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Inflorescences | pendent to stiffly spreading or ascending or erect, 5–40-flowered racemes, 5–15 cm, axis crisped-pubescent and stipitate-glandular, flowers evenly spaced. |
pendent, 4–10-flowered racemes, 3–5 cm, axis pubescent, flowers evenly spaced. |
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Pedicels | jointed, 5–10 mm, pubescent, stipitate-glandular; bracts oblanceolate or lanceolate, 2–12 mm, with scattered, short hairs and stalked glands. |
jointed, 2–10 mm, glabrous or finely pubescent to lanate; bracts ovate, 0.5–2 mm, pubescent. |
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Flowers | hypanthium white, pink, rose, or red, tubular to campanulate, 3–7 mm, pubescent, stipitate-glandular; sepals not overlapping, spreading or reflexed, white, pink, or red, ovate-elliptic or oblong to oblanceolate or lanceolate, 4–5 mm; petals not or nearly connivent to connivent, erect, white or pink to red, obovate-spatulate to oblong or almost square, not conspicuously revolute or inrolled, 1–3.5 mm; nectary disc not prominent; stamens shorter than to as long as petals; filaments linear or slightly expanded at base, 1.2–2 mm, glabrous; anthers cream, oblong-oval, 0.5–0.8 mm, apex shallowly notched; ovary stipitate-glandular to strongly stipitate-glandular and crisped-puberulent; styles connate nearly to stigmas, 4–6 mm, glabrous or with scattered, stipitate glands at base. |
hypanthium green, cup-shaped or short-campanulate, 3–4 mm, densely pubescent or tomentose; sepals not overlapping, reflexed, greenish or pinkish abaxially, suffused with purple adaxially, oblong, 5–7 mm; petals nearly connivent, erect, white to reddish, bluntly deltate, not conspicuously revolute or inrolled, 1.5–3 mm; nectary disc prominent, green or purplish, circular, covering ovary; stamens slightly longer than petals; filaments linear, 2–2.5 mm, glabrous with some glands; anthers white, sagittate, 1 mm, apex blunt; ovary pubescent, sessile-glandular; styles connate nearly to stigmas, 3 mm, very finely hairy. |
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Berries | palatable but insipid, blue-black, glaucous, ovoid or globose, 3–9(–10) mm, yellowish or greenish stipitate-glandular. |
sweet-tasting, black, globose, 12–15 mm, glabrous with some sessile glands. |
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2n | = 16. |
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Ribes sanguineum |
Ribes nigrum |
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Phenology | Flowering May–Jun. | |||||
Habitat | Wet meadows, disturbed streamsides, anthropogenic habitats | |||||
Elevation | 100-300 m (300-1000 ft) | |||||
Distribution |
CA; ID; OR; WA; BC [Introduced in c Europe]
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CT; IL; MA; MD; ME; MI; MN; NH; NJ; NY; OH; VT; WI; NB; NF; NS; ON; PE; QC; Eurasia [Introduced in North America]
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Discussion | Varieties 2 (2 in the flora). Ribes sanguineum is widely cultivated. It begins to bloom very early in the season, providing a nectar source for pollinators when little else is available. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Ribes nigrum is the source of the cultivated black currant. It has a strong, unpleasant odor. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 21. | FNA vol. 8, p. 18. | ||||
Parent taxa | Grossulariaceae > Ribes | Grossulariaceae > Ribes | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Pursh: Fl. Amer. Sept. 1: 164. 1813 , | Linnaeus: Sp. Pl. 1: 201. 1753 , | ||||
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