Bristlebract Sedge (Carex tribuloides)
- Family: Sedge (Cyperaceae)
- Flowering: May-August.
- Field Marks: This species has crowded heads and thin, lanceolate perigynia about 1/16 inch broad.
- Habitat: Wet woods, around ponds and lakes, swamps, wet prairies, along streams, wet meadows.
- Habit: Perennial herb with thickened rootstocks.
- Stems: Erect, rough to the touch, up to 2 1/2 feet tall.
- Leaves: Elongated, narrow, usually shorter than the stems, up to 1/3 inch broad.
- Flowers: Male and female borne separately; the male flowers crowded at the base of the female spikelets; the female spikelets crowded in terminal clusters, obovoid, about 1/2 inch long.
- Scales: Lanceolate, pointed at the tip, about 1/8 inch long.
- Sepals: 0.
- Petals: 0.
- Stamens: 3.
- Pistils: Enclosed in a perigynium; each perigynium flat, broadly lanceolate, up to 1/6 inch long, with a finely toothed beak 2-toothed at the tip.
- Fruits: Achenes smooth, 1/16 inch long.
- Notes: Waterfowl eat the seeds of this species.
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