Carex hirtifolia Mack. - Pubescent Sedge


 

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Carex hirtifolia - (image 1 of 5)

 

Taxonomy

Family: Cyperaceae

 

Section Hirtifoliae

 

Synonymous with C. pubescens

Habitat

Rich upland and floodplain forests, thickets.

Associates

 

Distribution

New Brunswick and Quebec to VA, TN and MS, west SD to TX.

Morphology

Loosely tufted perennial; stems 30-60 cm, pilose, scabrous distally; leaves softly hairy, 4-8 mm wide, the 2 mid-lateral veins conspicuous on the upper side; spikes 2-4, approximate or the lower somewhat separate; lowest bract sheathless, with blade surpassing the spike; upper bracts smaller; terminal spike staminate, slender, 1-2 cm; lateral spikes pistillate, sessile or short-peduncled, 8-15 mm; pistillate scales obovate, with broad hyaline margins and green midvein excurrent into a short awn about equaling the perigynium; perigynia trigonous, hairy, nerveless, the body obovoid, 2.6-3.5 mm long, abruptly rounded into a slender erect beak 0.8-1.3 mm; achene trigonous, filling the perigynium.

Notes

Fruiting May to July

Wetland indicator: NA

A fairly distinctive sedge in that the leaf blades, sheaths, culms and perigynia are all pubescent rather than one or a few of these parts as in other species. Fairly local in distribution, preferring somewhat disturbed habitats.

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