Luzula congesta (Thuill.) Lej.

Heath woodrush (en), Luzule à inflorescences denses (fr), Luzule ramassée (fr)

Species

Angiosperms > Poales > Juncaceae > Luzula

Characteristics

Grass-like, densely tufted. Leaves 2-5-(6) mm wide, < stems, occasionally almost = stems at flowering, bright green, margins slightly villous throughout, tip obtuse; sheaths with a thick tuft of tangled hairs at mouth, especially noticeable in cauline leaves. Flowering stems 20-60-(75) cm high, erect. Inflorescence a rounded or lobed head, often more than 1 cm in diam., consisting of a large central ± oblong cluster occasionally with 1-(3) smaller lateral clusters on long peduncles. Flowers 3-3.5 mm long, not close-set, with bases of flowers and rhachis between visible; tepals red-brown with broad whitish membranous margins. Stamens 6; anthers ± = filaments. Capsule < tepals, red-brown. Seeds with conspicuous white caruncle.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination anemogamy
Spread myrmecochory
Mature width (meter) -
Mature height (meter) 0.15 - 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 1-7
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-8

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°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Luzula congesta leaf picture by Christian Romberg (cc-by-sa)

Flower

Luzula congesta flower picture by Ella Farley (cc-by-sa)
Luzula congesta flower picture by Matthieu Gebus (cc-by-sa)

Fruit

Luzula congesta fruit picture by Fabien Mikol (cc-by-sa)

Distribution

Luzula congesta world distribution map, present in Andorra, Argentina, Australia, Belgium, Germany, Denmark, Spain, France, United Kingdom of Great Britain and Northern Ireland, Croatia, Iceland, Morocco, Netherlands, Norway, New Zealand, Poland, Portugal, Sweden, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:139037-3
WFO ID wfo-0000777766
COL ID 72PRP
BDTFX ID 40251
INPN ID 106823
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Juncus liniger Luzula multiflora f. congesta Juncus congestus Luciola congesta Juncus campestris var. strictus Luzula campestris var. congesta Luzula campestris subsp. congesta Luzula erecta var. congesta Luzula intermedia var. congesta Luzula multiflora var. congesta Luzula multiflora subsp. congesta Luzula spicata var. latifolia Luzula congesta