Page authors: Don Knoke, David Giblin
Ribes acerifolium
maple-leaf currant
WTU specimens
Other herbaria

Distribution: Occurring in the Cascades, Olympic Mountains, and northeastern Washington; Southern British Columbia south to Oregon, east to Idaho.

Habitat: Stream banks, meadowland thickets, open ridges and rock slides, mid-elevations in the mountains to timberline.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Spreading to erect shrub, the stems under 1 m. tall, the whole plant finely puberulent and covered with stalked glands.

Leaves:

Leaves alternate, petiolate, the blades palmately veined, deeply cordate, 3-8 cm. broad and somewhat shorter, lobed about half their length into 3 main and 2 smaller, ovate-deltoid, bi-serrate segments, the teeth rounded.

Flowers:

Inflorescence a pendant raceme, 7- to 15-flowered, shorter than the leaves; pedicels jointed under the ovary; calyx tube shallowly bowl shaped, 1.5 mm. long, lined internally with a thick disk, from the rim of which the 5 petals and 5 stamens arise, the whole forming a short tube in the center of the flower; the 5 calyx lobes broadly ovate-oblong, 3 mm. long and over half as broad, spreading, the tips recurved; petals red, 1-1.5 mm. long, obovate with a wedge-shaped base, inwardly pouched and spreading; filaments strongly flattened, glabrous; styles glabrous, united to the stigmas.

Fruits:

Berry glaucous-black, globular, up to 1 cm. long.

Accepted Name:
Ribes acerifolium Howell
Publication: Erythea. 3: 34. 1895. 1895.

Synonyms & Misapplications:
Ribes howellii Greene, rejected name [HC]
Additional Resources:

PNW Herbaria: Specimen records of Ribes acerifolium in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Ribes acerifolium checklist entry.

E-Flora BC: Ribes acerifolium atlas page.

CalPhotos: Ribes acerifolium photos.

USDA Plants: Ribes acerifolium information.

14 photographs:
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