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Common Graminoid Species of the Northwest Forest

TREES

SHRUBS

HERBS

FERNS & FERN-ALLIES

BROPHYTES & LICHENS

GLOSSARIES
Terminology | Pictorial

   
Carex trisperma
Three-seeded Sedge
Cyperaceae (Sedge Family)

Three-fruited Sedge Description

General - loosely tufted perennial from long slender rhizomes; stems very slender, weak, 10 - 60 cm long, usually arching, clothed with old leaves at base.

Leaves - 1-2 mm wide, light green; usually drooping; rough-margined to the base.

Flower Cluster - narrow, 3 - 5 cm long group of 2 - 5 small widely spaced, stalkless spikes; spikes 3 - 6 mm long, greenish; 1 - 2 male flowers at top; 1 - 6 female flowers at base.

Perigynia - narrow, 3 - 5 cm long group of 2 - 5 small widely spaced, stalkless spikes; spikes 3 - 6 mm long, greenish; 1 - 2 male flowers at top; 1 - 6 female flowers at base; 3 rounded, 'seed-like' perigynia usually found in each spikelet.

Habitat

Moist woods, wetlands, stream banks and lake edges; widespread across Northwestern Ontario boreal region; circumpolar.

Notes

SeeTwo-seeded sedge (C. disperma).


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