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GROSSULARIACEAE

GOOSEBERRY FAMILY

Michael R. Mesler and John O. Sawyer, Jr.

Shrub generally < 2 m
Stem generally erect; nodal spines 0–9; internodal bristles generally 0; twigs generally hairy, generally glandular
Leaves simple, alternate, generally clustered on short, lateral branchlets, petioled, generally deciduous; blade generally palmately 3–5-lobed, generally thin, generally dentate or serrate, base generally cordate
Inflorescence: raceme, axillary, generally pendent, 1–25-flowered; pedicel generally not jointed to ovary, generally hairy or glandular; bract generally green
Flower bisexual, radial; hypanthium tube exceeding ovary; sepals generally 5, generally spreading; petals generally 5, generally < sepals, generally flat; stamens generally 5, alternate petals, generally inserted at level of petals (hypanthium top), anthers generally free, generally glabrous, tips generally rounded; ovary inferior, chamber 1, ovules many, styles generally 2, generally fused except at tip, generally glabrous
Fruit: berry
Genera in family: 1 genus, 120 species: n hemisphere, temp South America. Some cultivated as food, ornamental. Hypanthium data refer to part above ovary; statements about ovary hairs actually refer to the hypanthium around the ovary. Formerly included in Saxifragaceae.

RIBES

CURRANT, GOOSEBERRY


Etymology: (Arabic: for plants of this genus)

Native

R. laxiflorum Pursh

TRAILING BLACK CURRANT


Stem spreading or decumbent; nodal spines 0
Leaf: blade 5–10 cm, deeply 5–7-lobed, ± round-toothed, upper surface dark green, glabrous, lower surface light green, sparsely hairy, glandular
Inflorescence 6–12-flowered
Flower: hypanthium 6 mm, saucer-shaped; sepals 3–4 mm, purplish green; petals 1 mm, red
Fruit 4–6 mm black-glaucous; bristles glandular
Ecology: UNCOMMON. Forests
Elevation: < 300 m.
Bioregional distribution: n North Coast
Distribution outside California: to Alaska, Idaho, also Siberia
Horticultural information: IRR: 4, 5, 17 &SHD: 1, 2, 3, 6, 7, 15, 16.

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