Bogs and Acidic Peatlands of Southern New England by Marsha C. Salett
Taxonomy
Carex lasiocarpa Ehrh.
CYPERACEAE (Sedge Family)
EtymologyCarex is the classical Latin name for sedge; lasiocarpa means woolly fruit, from the Greek: lasios = shaggy, woolly, hairy + carpa = fruit.
Synonyms (Common Name)Hairy-fruited Sedge
DescriptionWoolly-fruited sedge is a very slender, perennial sedge that reaches 2 1/2' high and often forms sedge mats. Male and female flowers occur on separate erect, cylindrical spikes. The female spikes are thick-cylindrical, approx.1" long, and widely spaced along the stem.
Wetland indicator statusOBL
Plant Heightto 2.5 feet
LeavesSlender, smooth, folded along midrib, lower sheaths reddish-brown; leafy bracts subtend pistillate spike, lowest bract longest.
Flower/InflorescenceMale and female flowers on separate spikes. Staminate (M): terminal spike erect, long (3/4 -- 2"), thin-cylindrical; often subtended by 1-2 sessile, shorter staminate spikes. Pistillate (F): 2-3, erect, thick-cylindrical, 3/4 - 1" long, less than 3/4" wide, far apart on stem; scales purple-brown; perigynia numerous in densely packed rows; 1/8-3/16" long, hairy, egg-shaped to oval, short bidentate beak.
FruitAchene, triangular.
Fruiting PeriodJune-August.
HabitatBogs, poor fens, and lake shores.
RangeNewfoundland to Alaska; south New Jersey, W. Virginia, Iowa, Washington.
(c) 1998-2006 Marsha C. Salett