Luzula acuminata Raf.

Hairy woodrush (en)

Species

Angiosperms > Poales > Juncaceae > Luzula

Characteristics

Rhizomes similar to stolons. Stolons to 6 cm, scale leaves present. Culms loosely cespitose, 10--40 cm x width3--5 mm. Leaves: sheaths reddish, throat pilose; blade sparsely pubescent; basal leaves 32 cm x 12 mm; cauline leaves 2--4, 2--4 cm x 2--5 mm. Inflorescences cymose, not rarely branching or often branching to 6 cm; proximal inflorescence bract 1/2--2/3 inflorescence length; bracts straw-colored, apex truncate, lacerate, glabrous or pubescent; bracteoles lance-ovate, 1/3--1/2 tepal length; pedicels single or paired, erect to spreading, 1--4 cm. Flowers: tepals pale to dark brown, 3--4.5 mm, margins entire, clear; anthers 2 times filament length; stigmas ± equaling style length. Capsules green to straw-colored, exceeding tepals; beak a mucro; valves widely spreading upon splitting. Seeds reddish to brown, 1--1.5 mm; caruncle curved, ± equaling length of seed body. 2n = 48.
More
Clustered perennial 1–4 dm, with short stolons and rhizomes; lvs ± persistently hairy along the margins, all with a blunt callous tip, the basal ones elongate, to 3 dm × 1 cm, the cauline 2–4, shorter and somewhat narrower; infl (1–)3–6 cm, the loosely spreading, almost filiform primary branches with a single terminal fl, or few-branched and with 2–4 fls; tep lance-ovate, usually chestnut-brown in the center with scarious margins, (2.6–)3–4.5 mm, subequal or the pet a bit longer than the sep; anthers ca twice as long as the filaments; fr ovoid, 3.2–4.5 mm, mucronate; seeds purple-brown, the body subglobose, 1–1.5 mm, with a pale terminal appendage nearly as long; 2n=18. Moist woods, less often along roadsides or in other open places; Nf. to Sask., s. to Ga., Ala., and Io. Spring. Two vars.:
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.4
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

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 -

Images

Leaf

Luzula acuminata leaf picture by gene jones (cc-by-sa)

Flower

Luzula acuminata flower picture by gene jones (cc-by-sa)

Distribution

Luzula acuminata world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:443690-1
WFO ID wfo-0000777577
COL ID 3WHCD
BDTFX ID -
INPN ID 762273
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Luzula acuminata Luzula pilosa var. americana Luzula acuminata var. acuminata Juncoides pilosum var. saltuense

Lower taxons

Luzula acuminata subsp. acuminata Luzula acuminata subsp. carolinae