Juncus confusus Coville

Colorado rush (en)

Species

Angiosperms > Poales > Juncaceae > Juncus

Characteristics

Herbs, perennial, cespitose, 3--5 dm. Rhizomes densely branched. Culms (1--)5--15(--25). Cataphylls 1--3. Leaves basal, 2--4; auricles 0.3--0.7 mm, apex usually rounded, scarious to membranaceous; blade flat, 3--15 cm x 0.4--1 mm, margins entire. Inflorescences 3--25-flowered, congested, 1--2.5 x 1--2 cm; primary bract usually exceeding inflorescence. Flowers not secund;: bracteoles 2; tepals dark green to blackish, usually with brownish midstripe, lanceolate to lanceolate-ovate, 3.5--4.3 mm, margins clear; outer and inner series nearly equal; stamens 6, filaments 0.6--0.9 mm, anthers 0.3--0.5 mm; style 0.1 mm. Capsules tan or darker, 3-locular, nearly globose to widely obvoid, 2.5--3.5 x 1.3--1.8 mm, shorter than perianth. Seeds yellowish, obovoid to ellipsioid, 0.4--0.5 mm, not tailed. 2n = 80.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 0.5
Root system rhizome
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 5-6
Soil humidity 7-8
Soil texture 1-2
Soil acidity 5-8
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Juncus confusus unspecified picture

Distribution

Juncus confusus world distribution map, present in Canada, Mexico, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:132080-2
WFO ID wfo-0000776250
COL ID 3QTLP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Juncus exilis Juncus confusus