Juncus biflorus Elliott

Bog rush (en)

Species

Angiosperms > Poales > Juncaceae > Juncus

Characteristics

Stems stout, 6–12 dm, bulbous-thickened at base, arising singly but close together from a stout rhizome; lf-sheaths with rounded auricles; principal blades 4–6 mm wide, with 5 main veins; infl obpyramidal, 4–10 cm, often much overtopped by the invol lf; heads 20–100, 4–6 mm, subtended by ovate acuminate bracts; fls eprophyllate; sep lanceolate, 1.8–2.5 mm, acuminate or short-aristate; pet 2–2.8 mm, oblong with broad scarious margins, stamens 3, nearly as long as the tep, the anthers much shorter than the filaments, often persistent and exsert; fr as in no. 22 [Juncus marginatus Rostk.]; 2n=40. Moist or wet meadows and shores; Mass. to Mich. and Mo., s. to Fla. and Tex. (J. aristulatus, misapplied; J. longii, with long rhizomes) Perhaps better treated as J. marginatus var. odoratus Torr.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.1
Root system rhizome
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 2-3
Soil humidity 7-8
Soil texture 1-2
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 6-9

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°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Juncus biflorus unspecified picture

Distribution

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

Conservation status

Juncus biflorus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:442729-1
WFO ID wfo-0000775980
COL ID 3QTHV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Juncus biflorus Juncus biflorus f. adinus Tristemon biflorus Juncus marginatus var. biflorus Juncus biflorus f. biflorus