James\'s Sedge in Prince George\'s Co., Maryland (5/19/2010). Per Kerry, "A rich woods indicator! Usually this plant is found in soils with a calcium influence."
Photo by
Kerry Wixted
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James's Sedge in Washington Co., Maryland (5/1/2024). (c) botanygirl, some rights reserved (CC BY).
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James\'s Sedge in Prince George\'s Co., Maryland (5/19/2010). Per Kerry, "A rich woods indicator! Usually this plant is found in soils with a calcium influence."
Media by
Kerry Wixted.
James's Sedge in Washington Co., Maryland (5/1/2024). (c) botanygirl, some rights reserved (CC BY).
View Record Details
Media by
botanygirl via iNaturalist.
Source: Wikipedia
| Carex jamesii | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Carex |
| Subgenus: | Carex subg. Carex |
| Section: | Carex sect. Phyllostachyae |
| Species: | C. jamesii
|
| Binomial name | |
| Carex jamesii | |
Carex jamesii, known as James's sedge or grass sedge, is a species of sedge native to North America from Minnesota east to New York and south to Oklahoma and South Carolina. It occurs in mesic hardwood forests and produces fruits from early May to mid July.[1] It has two to four perigynia that are subtended by leaf-like pistillate scales. Its seeds are dispersed by ants.[2]
Within the genus Carex, Carex jamesii is in the section Phyllostachyae (sometimes Phyllostachys) and is most closely related to C. juniperorum.[3][4]
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Detail of fruiting spike
References
[edit]- ^ Crins, William J.; Naczi, Robert F. C.; Reznicek, A. A.; Ford, Bruce A. (2002). "Carex jamesii". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 23. New York and Oxford: Oxford University Press. Retrieved 2018-09-27 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ Andrew J. Beattie & David C. Culver (1981). "The guild of myrmecochores in the herbaceous flora of West Virginia forests". Ecology. 62 (1): 107–115. Bibcode:1981Ecol...62..107B. doi:10.2307/1936674. JSTOR 1936674.
- ^ Crins, William J.; Naczi, Robert F. C.; Reznicek, A. A.; Ford, Bruce A. (2002). "Carex sect. Phyllostachyae". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 23. New York and Oxford: Oxford University Press. Retrieved 2018-09-27 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ Julian R. Starr, Randall J. Bayer & Bruce A. Ford (1999). "The phylogenetic position of Carex section Phyllostachys and its implications for phylogeny and subgeneric circumscription in Carex (Cyperaceae)". American Journal of Botany. 86 (4): 563–577. Bibcode:1999AmJB...86..563S. doi:10.2307/2656818. JSTOR 2656818. PMID 10205077.
External links
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