Ribes laxiflorum Pursh

Trailing black currant (en)

Species

Angiosperms > Saxifragales > Grossulariaceae > Ribes

Characteristics

Plants 0.5-1 m (in shade sometimes semiscandent and to 7 m). Stems decumbent, vining, or spreading, finely crisped-puberulent, sparsely subsessile-glandular; spines at nodes absent; prickles on internodes absent. Leaves: petiole (1.5-)2.5-5.5(-8) cm, pubescent, stipitate-glandular; blade orbiculate, 5-7-lobed, cleft nearly 1/2 to midrib, (2.5-)4-12 cm, base deeply cordate, surfaces ± crisped-puberulent at least on veins, usually with some sessile, crystalline glands and more numerous, very short-stipitate, noncrystalline glands abaxially, glabrous adaxially, lobes ovate-triangular, margins shallowly to coarsely 2 times crenate-serrate, apex acute to obtuse. Inflorescences erect or ascending, 6-8-flowered racemes, (2-)3-6(-8) cm, axis stipitate-glandular, flowers evenly spaced. Pedicels jointed, (2.2-)3.2-12 mm, pubescent, red stipitate-glandular; bracts linear to lanceolate-subulate, 0.9-2.8(-3.6) mm, copiously crisped-puberulent, moderately reddish stipitate-glandular. Flowers: hypanthium greenish white with pinkish tinge to red or purple, shallowly bowl-shaped, 0.6-1 mm, pubescent and stipitate-glandular abaxially, glabrous adaxially; sepals not overlapping, spreading, tips usually slightly recurved, greenish white to deep red or purplish, deltate-ovate to oblong-ovate, 2.4-4 mm; petals widely separated, erect, pinkish to reddish or purplish, greenish at apex, reniform or crescent-shaped, not conspicuously revolute or inrolled, 0.9-1.6 mm; nectary disc prominent, cream, reddish, or brownish, flat, 5-lobed, covering ovary; stamens nearly as long as to slightly longer than petals; filaments linear, 1-1.7 mm, glabrous; anthers cream, oval, 0.5-0.7 mm, apex blunt; ovary finely puberulent, prominently reddish stipitate-glandular, (glandular hairs to 0.5 mm); styles connate 1/3-2/3 their lengths, 1.4-1.8 mm, glabrous. Berries palatable, purplish black, ovoid, (4-)5-10(-14) mm, pubescent, reddish purple stipitate-glandular.
More
A shrub.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 0.55
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Moist woods, stream banks, forest edges, clearings, avalanche tracks; at elevations up to 2,600 metres.
More
It is a temperate plant.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-7

Usage

The berries are eaten raw or cooked and eaten with oil or sugar.
Uses medicinal oil
Edible fruits
Therapeutic use Cold Remedy (bark), Tuberculosis Remedy (bark), Tonic (leaf), Eye Medicine (root), Tuberculosis Remedy (root), Tuberculosis Remedy (tuber)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -20
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ribes laxiflorum unspecified picture

Distribution

Ribes laxiflorum world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:792801-1
WFO ID wfo-0001135606
COL ID 6X7D5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ribes coloradense Ribes laxiflorum