Juncus longistylis Torr.

Longstyle rush (en)

Species

Angiosperms > Poales > Juncaceae > Juncus

Characteristics

Herbs, perennial, 2--6 dm. Rhizomes long creeping. Culms slightly compressed. Leaves: basal 2--5, cauline 1--3; auricles 1--2.5 mm, apex truncate to obtuse; blade flat, 1--3 dm x 1.5--3 mm, the cauline shorter. Inflorescences glomerules 1--4(--8), each with 3--12 flowers, open or aggregate, 2--6(--10) cm; primary bract shorter than inflorescence. Flowers: tepals brown with green midstripe, lanceolate, 5--6 mm, margins scarious, sometimes papillose; outer series slightly shorter; stamens 6, filaments 0.5--1 mm, anthers 1.2--2 mm; style 0.6 mm. Capsules tan, 3-locular, obovoid, 3--5 mm, shorter than perianth. Seeds ovoid, 0.4--0.6 mm, not tailed. 2n = 40.
More
Stems arising singly from a slender rhizome, 2-6 dm, with 1-5 adjacent hemispheric heads, these 2-8-fld, 8-15 mm thick; lvs mostly basal; 1 or 2 short cauline lvs often developed; sep carinate, lanceolate, 4.4-5.7 mm, acuminate, narrowly scarious-margined; pet oblong with broad scarious margins, 4.5-6 mm, acute; stamens 6, considerably shorter than the tep; anthers light yellow, 2-2.5 mm, longer than the filaments; fr trilocular, ellipsoid, 4-5 mm, half as thick, with a beak 0.5-1 mm; seeds ca 0.5 mm, apiculate at both ends; 2n=40. Damp meadows and shores; widespread in the w. cordillera, e. to Neb. and nw. Minn.; w. Ont.; Nf.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.35 - 0.55
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) 4-9

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 longistylis unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:443153-1
WFO ID wfo-0000776809
COL ID 3QTVF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Juncus longistylis Juncus menziesii var. californicus