Lipocarpha occidentalis
| Pacific halfchaff sedge | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Lipocarpha |
| Species: | L. occidentalis
|
| Binomial name | |
| Lipocarpha occidentalis (A. Gray) G.C. Tucker
| |
| Synonyms[1] | |
| |
Lipocarpha occidentalis, the Western halfchaff sedge,[2] or Pacific halfchaff sedge, is a plant species native to western part of the United States but cultivated as an ornamental in other regions.[3] It is widespread in California (in the Mojave and Sonoran Deserts, the Central Valley, and the Redwood Country), with populations also reported from Oregon (Klamath County) and Washington state (Klickitat County).[4][5]
Lipocarpha occidentalis is an annual herb up to 50 cm tall, forming clumps but not rhizomes. Culms are round in cross-section. Leaves are bristly, up to 3 cm long. Inflorescence an egg-shaped cluster of spikes; each spike with 2 scales, each scale subtending a hermaphroditic flower. Achenes are egg-shaped, up to 1 mm long.[4][6][7][8][9][10]
References[edit]
- ^ Tropicos
- ^ USDA, NRCS (n.d.). "Lipocarpha occidentalis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 22 June 2015.
- ^ Gardening.eu, Papiro Lipocarpha occidentalis Archived 2014-03-11 at the Wayback Machine
- ^ a b Flora of North America v 23 p 197, Lipocarpha occidentalis
- ^ BONAP (Biota of North America Project) floristic synthesis, Lipocarpha occidentalis
- ^ Tucker, Gordon C. 1987. Journal of the Arnold Arboretum 68(4): 410.
- ^ Gray, Asa. 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 391–392.
- ^ Clarke, Charles Baron. 1908. Bulletin of Miscellaneous Information: Additional Series 8: 30.
- ^ Goetghebeur, P. & A. Van den Borre. 1989. Studies in Cyperaceae 8. A revision of Lipocarpha, including Hemicarpha and Rikliella. Wageningen Agricultural University Papers 89(1): 1–87.
- ^ Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
