Carex hendersonii
{{Short description|Species of plant}}
{{Use dmy dates|date=November 2022}}
{{Speciesbox
| image = Carexhendersonii.jpg
| genus = Carex
| species = hendersonii
| authority = L.H.Bailey
}}
Carex hendersonii, also known as Henderson's sedge or carex de Henderson,{{cite web|url=https://data.canadensys.net/vascan/taxon/4899|title=Carex hendersonii L.H. Bailey|accessdate=7 November 2022|work=VASCAN|publisher=Canadensys}} is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to western parts of North America.{{cite web |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:46327-2|title=Carex hendersonii L.H.Bailey |access-date=6 November 2022 |publisher=Kew Science – Plants of the World Online}}
Description
The sedge has densely tufted brownish coloured culms that are {{cvt|45|to|87|cm}} in length and {{cvt|2|to|2.2|mm}} wide. The green leaves have basal green sheaths that become lighter near the base. The corrugate leaf blades are ascending and are {{cvt|19|to|52|cm}} in length and {{cvt|3|to|16|mm}} wide. The inflorescences occur at the end of lateral stalks as spikes that are {{cvt|1|to|15|cm}} in length.{{cite web|url=http://www.worldfloraonline.org/taxon/wfo-0000347399|title=Carex hendersonii L.H.Bailey|accessdate=7 November 2022|publisher=World Flora Online}} In California it blooms between May and June.
Taxonomy
The species was first described by the botanist Liberty Hyde Bailey in 1887 as a part of the Proceedings of the American Academy of Arts and Sciences.{{cite web|url=http://legacy.tropicos.org/Name/9901580|title=Carex hendersonii L.H. Bailey|accessdate=7 November 2022|work=Tropicos|publisher=Missouri Botanical Garden}} It has one synonym; Carex laxiflora var. plantaginea as described by Olney in 1872.{{cite web |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:46327-2|title=Carex hendersonii L.H.Bailey |access-date=6 November 2022 |publisher=Kew Science – Plants of the World Online}}
Distribution
The plant is found in temperate biomes from south western Canada in British Columbia{{cite web|url=https://data.canadensys.net/vascan/taxon/4899|title=Carex hendersonii L.H. Bailey|accessdate=7 November 2022|work=VASCAN|publisher=Canadensys}} and the range extends down the western parts of the United States through Washington, Oregon to as far south as California It is just as likely to be found in wetland as non-wetland environments including coastal prairie and oak woodlands.{{cite web|url=https://www.calflora.org/app/taxon?crn=1562|title=Carex hendersonii L. H. Bailey|accessdate=7 November 2022|publisher=Calflora}}