[Sedges: The Genus Carex East of the Cascade Mountains of Oregon and Washington]

Knotsheath Sedge, Knot-sheath Sedge, Retrorse Sedge

Carex retrorsa

Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa

Retrorse sedge as seen on the gravelly banks of the Klickitat River near the Klickitat Trail at the Mineral Springs........October 23, 2011. Note the crowded lateral female spikes and terminal male spikes as well as the inflorescence bracts which are significantly longer than the inflorescnce.

Lateral female spike of Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa - Lateral female spike of Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa - Close-up of the inflorescence of Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa

Perigynia of Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa - Perigynia of Knot-sheath Sedge, Retrorse Sedge: Carex retrorsa

Retrorse sedge as seen on the gravelly banks of the Klickitat River near the Klickitat Trail at the Mineral Springs.........October 23, 2011. Note the large inflated perigynia.
Paul Slichter