A plant with creeping rhizome , forming loose and possibly dense turf.
Inflorescence 2-2.5 cm long, from 3-4 closely spikelets . Upper 1 (2) spikelet stamens ; lower (1) 2–5 pistillate or, often, androgynous, usually multiflorous , mostly narrow-cylindrical, almost sessile or lower, sometimes with legs up to 3 cm long. Covering scales are oblong-ovate, with one vein , sharp or blunt, shorter than sacs, less often equal to them. The bags are flat-convex, thin-skinned, with thickened ribbed veins, with a well-separated thin leg 0.3-0.5 mm long and brown at the apex, short, whole nose. Stigma 2. The lower covering sheet without a vagina, linear, rarely bristle-shaped.
The fruit half fills the pouch.
Far East : Kuril Islands ( Shumshu Island ); North America
Grows in moist seaside meadows.
Five species are distinguished within the species [2] :
- Carex lenticularis var. dolia (MEJones) LAStandl. - from Alaska to Montana
- Carex lenticularis var. impressa (LHBailey) LAStandl. - west of the USA
- Carex lenticularis var. lenticularis - from subarctic America to the north of the central part and northeastern United States
- Carex lenticularis var. limnophila (Holm) Cronquist - Sedge Hinds; from the Aleutian Islands to western California , Shumshu Island in the Kuril Islands
- Carex lenticularis var. lipocarpa (Holm) LAStandl. - from Alaska to New Mexico
Variety Carex lenticularis var. limnophila (Holm) Cronquist differs from typical representatives of the species in larger sacs and longer scales of pistillate spikelets.
