Carex tuckermanii Dewey - Tuckerman's Sedge


 

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Carex tuckermanii - (image 1 of 3)

 

Taxonomy

Family: Cyperaceae

 

Section Vesicariae

Habitat

Swamp forests, thickets, wet meadows, stream or pond shores.

Associates

 

Distribution

New Brunswick to MN, south to NJ, OH, and IA.

Morphology

Tufted perennial from short rhizomes; stems 40-80 cm; leaves soft and flat, the main ones 20-40 cm long and 3-6 mm wide; lowest bracts 25-70 cm, exceeding the inflorescence; staminate spikes usually 2, widely separated; pistillate spikes 2-4, remote, cylindric, 2-5 cm; perigynia numerous, imbricate and ascending in about 6 rows, 7-10 mm long and (4-)4.5-7 mm wide, inflated and very thin walled, broadly ovoid, the conic summit tapering into a slender beak 2.4-4.8 mm long with straight teeth 0.7-1.9 mm; achene trigonous, obovoid, 3-4 mm long, deeply indented in the middle of one angle.

Notes

Fruiting June to August

Wetland indicator: OBL

Similar to C. vesicaria but with wider perigynia and an achene that is deeply indented on one angle.

References

Ball, P.W. and A.A. Reznicek. 2002. Carex, In: Flora of North America Editorial Committee, Eds. Flora of North America North of Mexico. Volume 23. Oxford University Press, New York.

 

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 


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Michael Hough 2018