Luzula acuminata var. acuminata Raf.
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Family: Juncaceae
Genus: Luzula
Species Synonyms: Juncoides saltuense (Fern.) Heller
Luzula pilosa (L.) Willd.
Luzula salutensis Fern.
Luzula carolinae var. saltuensis (Fern.) Fern.
Luzula pilosa var. saltuensis (Fern.) Boivin
Common Names: hairy woodrush
Canada: central Alberta – central Saskatchewan – central Manitoba – Ontario – Quebec – southern Newfoundland – Nova Scotia
Saskatchewan: central Saskatchewan; Glaslyn – Pasquia Hills
Ecoregion: Boreal Transition, Mid-Boreal Upland, Churchill River Upland
Saskatchewan: woods and shrubby fens
Associated Species: bishop’s cap, bunchberry, dwarf birch, dwarf scouring rush, northern white violet, sheathed sedge, silvertop sedge, tamarack, twoleaved Solomonseal
Provincial Status According
to Harms (2003):
Nature Conservancy Status:
G5 S1S2
Saskatchewan Species at
Risk Status:
Hairy woodrush is threatened in Saskatchewan because it is rare or uncommon. This species is only somewhat regionally restricted, but most local populations are small. No immediate threats are known at the present time.
Height: 10 – 40 cm tall
Roots: rhizomes similar to runners
Culms: runners to 6 cm, scale-like leaves present; stems loosely tufted, 3 – 5 mm wide
Leaves: basal leaves to 32 cm long, 2 – 10 mm wide, hairy; stem leaves 2 – 4, 2 – 4 cm long, 2 – 5 mm wide; sheaths reddish, throats hairy
Inflorescence: simple, umbrella-like, secondary branches usually absent; bracts straw-coloured; flower stalks single or paired, erect to spreading, 1 – 4 cm long
Flowers: small bracts at the base of the flower lance-shaped to oval, 1/3 to 1/2 tepal length; tepals 3 – 4.5 mm long, pale to dark brown, margin entire and membranous; anthers 2 times filament length; stigmas equalling style
Fruits: capsules exceeding tepals, beak a sharp point, green to straw-coloured; seeds to 2.5 mm long (including curved, tail-like appendage), reddish to brown
1 Flowers in a simple, umbrella-like cluster or 2 – 3 at the ends of stalks; leaves > 5 mm broad; rhizomes well-developed
1 Flowers sessile or subsessile in dense clusters; leaves < 5 mm broad; rhizomes absent or poorly developed
2 Leaves long-hairy; inflorescence a simple umbrella-like cluster; flowers 2.5 – 4.5 mm long; seeds with a long, curved tail-like appendage
L. acuminata var. acuminata
2 Leaves essentially hairless except at the top of the sheath; inflorescence with 2 – 3 flowers at the ends of the stalk, compound; flowers 2 – 3.0 mm long; seeds lacking a long, curved, tail-like appendage
L. parviflora var. melanocarpa
3 Leaves tapering to long, slender points, margin rolled; floral bracts hairy margined; seeds unappendaged
L. confusa
3 Leaves with blunt hardened tips, flat; floral bracts entire or torn; seeds with a well-developed appendage
4 Tepals < 3.5 mm long; tepals and capsule chestnut brown to black; inflorescence congested, spikes usually sessile or subsessile
L. multiflora ssp. frigida
4 Tepals to 4.5 mm long; tepals and capsule pale or straw-coloured; inflorescence commonly with a large, sessile central spike and two lateral spikes on ascending rays
L. multiflora ssp. multiflora