Vascular Plants - Grossulariaceae - Ribes:
Ribes laxiflorum
Page Authors: Don Knoke, David Giblin
trailing black currant 
Blooms: April-July
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Wet coastal woods to mid-elevations in the mountains.
Species Description:

General: Decumbent or spreading shrubs, usually under 1 m. tall, the young branches finely puberulent, becoming reddish-brown.
Leaves: Leaves alternate, long-petiolate, the blades palmately veined, deeply cordate, 4-8 cm. broad and long, glabrous above, with short-stalked, non-crystalline glands below, 5-lobed half their length, the segments ovate-triangular and serrate with rounded teeth.
Flowers: Inflorescence 8- to 18-flowered, erect to ascending, racemose, shorter than the leaves, puberulent, and with reddish, stalked glands throughout; pedicels up to 1 cm. long, jointed just below the ovary; calyx tube shallowly bowl-shaped, 1 mm. long, lined with a thick, flat, 5-lobed reddish disk that covers the top of the ovary; 5 calyx lobes 2.5-3 mm. long, deltoid-ovate, spreading, greenish-white, with a pinkish to purplish tinge; petals purplish-red, 1.0-1.5 mm. long and broad, reniform, clawed; stamens 5, equaling the petals; styles glabrous, united half their length.
Fruits: Berry glaucous, purplish-black, ovoid, 1 cm. long, glandular-bristly.

Distinguishing Characteristics: Filaments of R. laxiflorum are reddish.
Accepted Name:
Ribes laxiflorum Pursh
Synonyms:
Ribes coloradense Coville

Treated in Flora of the PNW as:
Ribes laxiflorum
Additional Resources:

PNW Herbaria Specimens: View list of all Ribes laxiflorum specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Ribes laxiflorum specimens in the WTU Herbarium database.

Washington Flora Checklist: Ribes laxiflorum treatment.

E-Flora BC: Ribes laxiflorum atlas page.

CalPhotos: Ribes laxiflorum images.

USDA Plants Database: Ribes laxiflorum.
Additional photographs of Ribes laxiflorum:
(click on a thumbnail to view larger photo)

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012
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Washington Native Plant Society
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