Luzula wahlenbergii Rupr.

Wahlenberg's woodrush (en)

Species

Angiosperms > Poales > Juncaceae > Luzula

Characteristics

Rhizomes short. Culms cespitose, 15--30(--35) cm. Leaves: sheath throat acutely angled, pilose; basal leaf blade 5--10 cm x 3--8 mm, apex short acuminate, mostly glabrous; cauline leaves (1--)2--4, 3--5 cm x 2--4 mm. Inflorescences anthelate, few flowered; main branches generally 2--4, spreading less than 90°, lax, usually arching; proximal inflorescence bract 1 cm or less; bracts and bracteoles brown; margins with long curly cilia. Flowers solitary on short pedicels; tepals dark purplish brown (margins finely lacerate toward apex), 2--2.5 mm, margins finely lacerate toward apex, apex acute, not reflexed; anthers ± equaling filament length; stigmas 2 times style length. Capsules dark brown, less than 2.5 mm, slightly longer than tepals; beak absent. Seeds dark reddish brown, cylindric, 1.2--1.6 mm; caruncle essentially absent. 2n = 24.
More
Plants tufted, 7--25 cm tall. Stems terete, striate. Basal leaf blade linear-lanceolate to linear, 4--12 cm × 2--4 mm, margin sparsely hairy. Cauline leaves 1--3; leaf blade 2--9 cm. Inflorescence terminal or occasionally axillary, a compound cyme, 10--30-flowered; basal bract 0.5--1.5 cm. Flowers solitary or in clusters of 2 or 3; pedicel short; bracteoles brown, broadly ovate, margin densely ciliate. Perianth segments lanceolate, 2--2.5 × 0.8--1 mm, subequal, apex acute. Stamens 6; anthers subequaling filaments. Style ca. 0.6 mm; stigmas ca. 1 mm. Capsule chestnut brown, trigonous ovoid, 2--2.5 mm. Seeds dark reddish brown, oblong, 1.2--1.4 mm; appendage basal, fibrous. Fl. Jun--Jul, fr. Jul--Aug. 2 n = 24, 36.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.11 - 0.28
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 1-6
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
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 -

Distribution

Luzula wahlenbergii world distribution map, present in Canada, China, Finland, Greenland, Japan, Liberia, Norway, Korea (Democratic People's Republic of), Russian Federation, Sweden, and United States of America

Conservation status

Luzula wahlenbergii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:443971-1
WFO ID wfo-0000778224
COL ID 3WHL8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Luzula wahlenbergii Luzula borealis Luzula spadicea var. kunthii Luzula spadicea var. wahlenbergii Luzula wahlenbergii subsp. wahlenbergii