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Rosy sedge (Carex rosea) is known to have similar appearances to that of grasses. This plant tolerates a variety of environments, and even though Carex rosea is considered a weed, it can be cultivated for lands. Carex rosea has spiky leaves that grow in clusters. The styles of this plant, the stalk connecting the stigma to the ovary, are very distinctively curled, which helps to differentiate this species from other plants.

Introduction

Rosy sedge, also called Carex rosea, Carex concoluta, and Carex flaccidula is a sedge that forms part of the Caperaceae family, which belongs to the major flowering plant group. It is native to eastern North America and it exists in wet to dry soils. Carex rosea can be found in shores of streams and bottomlands, as well as ponds. It is known to have great adaptations to dry-shade locations. This is an evergreen, easy-to-grow-plant. .

Description

Carex rosea flowers in the spring, and it has evergreen leaves. The stigmas range from 0.07-0.10 millimeters thick, while the leaves are almost 1/8" wide. The width of the stem leaf blade ranges from 1.8-2.6 millimeters. The lowest bract either has no sheath or the sheath it has is very short up to four millimeters in length . The lowest spike is not borne on a peduncle, a stalk that supports inflorescence growth to more than one flower. The uppermost spike contains both carpels and stamens, with the carpels located below, or mixed in with the stamens. The membrane that encloses the flower has no hairs and its length varies between 2.6 and 4.2 millimeters. The leaf sheath has no pink, red, or purple tinting and the leaf blade can either be, smooth and hairless, or rough and sandpapery. The leaves are all produced from the base of the plant, and the one-seeded fruit, usually ranging from 1.6-2.2 millimeter, has no folds or dimples which is why the style falls off the mature seed. The spikelets found in the plant are widely spread rather than clustered together, and the culms consist of about 4-8 of them. Different sections of the spikelets consist of different parts. They look green because of the presence of 7-14 spreading perigynia. The overall average height is about 1 inch tall.

Taxonomy

Carex rosea consist of four different species. Most of them found mainly in Canada. While some characters seem to be unrelibale for the separation of each species. Other characters, like the width of the broadest leaves, the shape of the perigynium base, and the fertile culms, are reliable. Different analysis of the mixed populations have concluded that hybridization between the species does not occur. The Kingdom of Carex roseae is plantae.The rank of Carex rosea consists on the following, the subkingdom is tracheobionta, which means that it is part of the vascular plants. The superdivision of Carex rosea is spermatophyta, also known as seed plants. The division of this plant is magnoliophyta, which is flowering plants. This plant belongs to the class called liliopsida which means monocotyledons. The subclass of Carex rosea is commelinidae, and finally the order is cyperales. . Carex is a genus of grasslike herbs that are widely distributed and distinguished having the seedlike achenes enclosed in a sac in the axil of a bract . According to results from a complete ITS sequence Carex rosea is sister to Carex radiata, Carex retroflexa, Carex texensis, and Carex socialis .

Distribution and Habitat

Carex rosea distribution also happens from south to Georgia, Tennesse, Arizona, Louisiana, and Oklahoma, basically all around North America. Its habitat is in dry- moist woodlands. It can adapt to various soil types and it can also live in rich ravines, and wood edges . Nova Scotia and southern Quebec west to MN and eastern NE, is also where the plant distribution occurs .

Ecology

Since Carex rosea is a monocot, it takes the plant to complete its life cycle a little more than two years. This plant is mostly confused with Carex radiata. Even though this occurs, habitats have also been a great guidance to decide which one is which, just like the different characteristics of each plant. However, it may take a long time to make observations in order to see the maturity of the plant to fully say that it is what is being described .

Culture

Many times the plants that have already been established to a place are highly drought tolerant. Carex rosea is unappetizing to deer and other herbivores. Many times Cares rosea, or sedge in general, is used as ground covers. This is a way to help with the maintenance of a green expanse near home since it is an evergreen plant. It is recommended for the plant to be cut completely off before the winter season starts so that new growth for the plant occurs if kept at gardens. The more highly adaptable sedges grow in warm-weather conditions and if mowing the land its a choice, then it is recommended to be done only a few times a year, compared to regular grass which is almost every other week..

Conservation Status

Even though the genus Carex has been considered nonmycorrhizal, recent evidence has demostrated that mycotrophy may be more spread among the sedges that realized . However, no potential threats seem to appeared for Carex rosea. This plant widely distributes in the area it is found. The adaptation status allows the plant to survive in almost any condition, excluding freezin temperatures. .

References

1. "IPNI". Retrieved 2 November 2016.
2. "Plants Profile for Carex rosea (rosy sedge)". plants.usda.gov. Retrieved 2 November 2016.
3. "New Moon Nursery". Retrieved 2 November 2016.
4. "Flora of the Southern and Mid- Atlantic States" (PDF). Retrieved 2 November 2016.
5. "Carex rosea". Go Botany Discover thousands of New England plants. Retrieved 19 November 2016.
6. "-State Species Abstract- -Wyoming Natural Diversity Database-" (PDF). Retrieved 3 November 2016.
7. Webber, J. M.; Ball, P. W. (1 October 1984). "The taxonomy of the Carex rosea group (section Phaestoglochin) in Canada". Canadian Journal of Botany. 62 (10): 2058–2073. doi:10.1139/b84-281. ISSN 0008-4026. Retrieved 4 November 2016.
8. "Genus Carex". The Free Dictionary. Retrieved 19 November 2016.
9. King, Matthew, G.; Roalson, Eric, H. (1 July 2008). "Exploring Evolutionary Dynamics of nrDNA in Carex subgenus Vignea (Cyperaceae)". 33. doi:10.1600/036364408785679860. {{cite journal}}: |access-date= requires |url= (help); Cite journal requires |journal= (help)CS1 maint: multiple names: authors list (link)
10. "New York Flora Atlas". Retrieved 4 November 2016.
11. Hough, Michael. "Carex rosea Schkuhr ex Willd. - Curly-styled Wood Sedge". Retrieved 19 November 2016.
12. Curtis, Linda. "The Confucion of Carex rosea and C. radiata". Retrieved 4 November 2016.
13. "Carex rosea". Retrieved 2 November 2016.
14. Miller, R. Michael; Smith, Christopher I.; Jastrow, Julie D.; Bever, James D. (1 April 1999). "Mycorrhizal status of the genus Carex (Cyperaceae)". American Journal of Botany. 86 (4): 547–553. ISSN 0002-9122. Retrieved 19 November 2016.
15. Bebeau, G. "The Friends of the Wild Flower Garden, Inc". Retrieved 3 November 2016.