Difference between revisions of "Rhynchospora perplexa"
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| + | Common names: pineland beaksedge <ref name= "USDA"> [https://plants.usda.gov/core/profile?symbol=CEAM USDA Plant Database]</ref> | ||
<!-- Get the taxonomy information from the NRCS Plants database --> | <!-- Get the taxonomy information from the NRCS Plants database --> | ||
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==Taxonomic Notes== | ==Taxonomic Notes== | ||
| + | Synonym: ''R. microcarpa'' | ||
| + | |||
| + | Variety: ''R. perplexa'' var. ''virginiana'' (Fernald), ''Rh. perplexa'' var. ''perplexa'' | ||
| + | |||
==Description== | ==Description== | ||
| + | ''R. perplexa'' is a perennial graminoid of the Cyperaceae family that is native to North America.<ref name= "USDA"> [https://plants.usda.gov/core/profile?symbol=CEAM USDA Plant Database]</ref> | ||
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | <!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | ||
| + | |||
==Distribution== | ==Distribution== | ||
| + | ''R. perplexa'' is found throughout the southeastern United States; particularly in Florida, Georgia, South Carolina, North Carolina, Virginia, Tennessee, Alabama, Louisiana, Mississippi, and Texas.<ref name= "USDA"> [https://plants.usda.gov/core/profile?symbol=CEAM USDA Plant Database]</ref> | ||
| + | |||
==Ecology== | ==Ecology== | ||
| − | ===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | + | ===Habitat=== |
| − | < | + | Common habitats for ''R. perplexa'' include savannas, and sandhill seepage bogs.<ref name= "Weakley"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.</ref> |
| + | |||
| + | Some specimens have been found in dry sandy soil of longleaf pine regions and flatwoods, while others are from moist environments such as cypress gum ponds or moist soil deposits in pine woodlands as well as disturbed sites inlcuding roadsides and ditches.<ref name = "FSU herbarium"> URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Loran C. Anderson, R.K. Godfrey, Steve Orzell, Wilson Baker, William Reese, Paul Redfearn, Sidney McDaniel, Kurt E. Blum, N. Triplett Jr., R. Kral, Edwin Bridges, Travis MacClendon, Karen MacClendon. States and counties: Florida (Wakulla, Nassau, Liberty, Bay, Gulf, Bradford, Calhoun, Clay, Holmes, Leon, Okaloosa, Santa Rosa, Walton, Jackson, St. Johns) Georgia (Thomas, Colquitt) </ref> | ||
| + | <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | ||
| + | |||
| + | ''Rhynchospora perplexa'' is an indicator species for the Calcareous Savannas community type as described in Carr et al. (2010).<ref>Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.</ref> | ||
| + | |||
| + | ===Phenology=== | ||
| + | ''R. perplexa'' has been observed to flower in May.<ref name= "Pan Flora"> Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 29 MAY 2018</ref> | ||
| + | <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> | ||
<!--===Seed dispersal===--> | <!--===Seed dispersal===--> | ||
<!--===Seed bank and germination===--> | <!--===Seed bank and germination===--> | ||
| − | + | ===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses--> | |
| + | Populations of ''Rhynchospora perplexa'' have been known to persist through repeated annual burning.<ref>Platt, W.J., R. Carter, G. Nelson, W. Baker, S. Hermann, J. Kane, L. Anderson, M. Smith, K. Robertson. 2021. Unpublished species list of Wade Tract old-growth longleaf pine savanna, Thomasville, Georgia.</ref> | ||
<!--===Pollination===--> | <!--===Pollination===--> | ||
| − | <!--=== | + | <!--===Herbivory and toxicology===<!--Common herbivores, granivory, insect hosting, poisonous chemicals, allelopathy, etc--> |
| − | <!--==Diseases and parasites==--> | + | <!--===Diseases and parasites===--> |
| − | ==Conservation and | + | ==Conservation, cultivation, and restoration== |
| + | ''R. perplexa'' is categorized as a threatened species in the state of Tennessee.<ref name= "USDA"> [https://plants.usda.gov/core/profile?symbol=CEAM USDA Plant Database]</ref> | ||
| − | == | + | ==Cultural use== |
==Photo Gallery== | ==Photo Gallery== | ||
<gallery widths=180px> | <gallery widths=180px> | ||
</gallery> | </gallery> | ||
==References and notes== | ==References and notes== | ||
Latest revision as of 11:20, 15 July 2022
Common names: pineland beaksedge [1]
| Rhynchospora perplexa | |
|---|---|
| |
| Photo by Robert H. Mohlenbrock hosted at USDA NRCS Plants Database. | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Liliopsida - Moncots |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Rhynchospora |
| Species: | R. perplexa |
| Binomial name | |
| Rhynchospora perplexa Britton | |
| |
| Natural range of Rhynchospora perplexa from USDA NRCS Plants Database. | |
Contents
Taxonomic Notes
Synonym: R. microcarpa
Variety: R. perplexa var. virginiana (Fernald), Rh. perplexa var. perplexa
Description
R. perplexa is a perennial graminoid of the Cyperaceae family that is native to North America.[1]
Distribution
R. perplexa is found throughout the southeastern United States; particularly in Florida, Georgia, South Carolina, North Carolina, Virginia, Tennessee, Alabama, Louisiana, Mississippi, and Texas.[1]
Ecology
Habitat
Common habitats for R. perplexa include savannas, and sandhill seepage bogs.[2]
Some specimens have been found in dry sandy soil of longleaf pine regions and flatwoods, while others are from moist environments such as cypress gum ponds or moist soil deposits in pine woodlands as well as disturbed sites inlcuding roadsides and ditches.[3]
Rhynchospora perplexa is an indicator species for the Calcareous Savannas community type as described in Carr et al. (2010).[4]
Phenology
R. perplexa has been observed to flower in May.[5]
Fire ecology
Populations of Rhynchospora perplexa have been known to persist through repeated annual burning.[6]
Conservation, cultivation, and restoration
R. perplexa is categorized as a threatened species in the state of Tennessee.[1]
Cultural use
Photo Gallery
References and notes
- ↑ 1.0 1.1 1.2 1.3 USDA Plant Database
- ↑ Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
- ↑ URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Loran C. Anderson, R.K. Godfrey, Steve Orzell, Wilson Baker, William Reese, Paul Redfearn, Sidney McDaniel, Kurt E. Blum, N. Triplett Jr., R. Kral, Edwin Bridges, Travis MacClendon, Karen MacClendon. States and counties: Florida (Wakulla, Nassau, Liberty, Bay, Gulf, Bradford, Calhoun, Clay, Holmes, Leon, Okaloosa, Santa Rosa, Walton, Jackson, St. Johns) Georgia (Thomas, Colquitt)
- ↑ Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
- ↑ Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 29 MAY 2018
- ↑ Platt, W.J., R. Carter, G. Nelson, W. Baker, S. Hermann, J. Kane, L. Anderson, M. Smith, K. Robertson. 2021. Unpublished species list of Wade Tract old-growth longleaf pine savanna, Thomasville, Georgia.
