Juncus chlorocephalus Engelm.

Greenhead rush (en)

Species

Angiosperms > Poales > Juncaceae > Juncus

Characteristics

Herbs, perennial, cespitose, 2--4.5 dm. Culms erect, terete, 1--3 mm diam., smooth. Cataphylls 1, straw-colored or maroon, apex acute. Leaves: basal 1--2, cauline 2--3; auricles 2--3.5 mm, apex rounded, scarious; blade terete, 2--16 cm x 1--2 mm. Inflorescences single heads (rarely cluster of 2--3 heads), 0.5--2 cm; primary bract erect; heads 15--25-flowered, spheric, 11--14 mm diam. Flowers: tepals light green to light pink or white, lanceolate, 3.1--4.2 mm, apex obtuse; stamens 6, anthers 2--3 times filament length. Capsules included, straw-colored, 1-locular, broadly obovoid to ovoid, 2.2--2.5 mm, apex obtuse, valves separating at dehiscence, fertile throughout or only proximal to middle. Seeds oblong, 0.5 mm, not tailed; body clear yellow-brown.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 5-7
Soil texture 1-2
Soil acidity 1-5
Soil nutriment -
Hardiness (USDA) -

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 -

Distribution

Juncus chlorocephalus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:442810-1
WFO ID wfo-0000776202
COL ID 3QTL2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Juncus chlorocephalus