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

Western Singlespike Sedge, Western Single Spiked Sedge

Carex scirpoidea ssp. pseudoscirpoidea

Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea

Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

A cluster of female western singlespike sedges as seen in a moist area along the Steens Mountain South Loop Road about one mile downhill and west of the East Rim Viewpoint.........September 2, 2011. Note the drying remains of last years leaves at the bases of the flowering culms.

Single spike of the female plant of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Single spike of a male plant of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Cluster of female plants of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Immature perigynia of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Immature perigynia of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Additional close-up photos of western singlespike sedges as seen in a moist area along the Steens Mountain South Loop Road about one mile downhill and west of the East Rim Viewpoint........September 2, 2011. Unfortunately, the perigynia from this site were still very immature.

Pistillate (female spike) of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Staminate (male) spike of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Pistillate (female) spike of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Additional close-ups of the pistillate and staminate (center) spikes of western singlespike sedge as seen in a moist meadow along the Steens Mountain South Loop Road about one mile downhill and west of the East Rim Viewpoint........August 31, 2011.

Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Male spike of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Western singlespike sedge as seen in a moist meadow along the Steens Mountain South Loop Road about one mile downhill and west of the East Rim Viewpoint........August 31, 2011. The photo at left shows a pistillate plant while that at right shows a staminate plant.

Female spike of Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea) - Western Singlespike Sedge, Western Single Spiked Sedge: Carex scirpoidea ssp. pseudoscirpoidea (Synonyms: Carex pseudoscirpoidea, Carex scirpoidea var. pseudoscirpoidea)

Western singlespike sedge growing in moist grasslands at the head of Kiger Gorge, Steens Mountain...........July 11, 2014.

Paul Slichter