Difference between revisions of "Hypericum gymnanthum"

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==Ecology==
 
==Ecology==
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
Common habitats include pine savannas, wet pine flatwoods, sinkhole ponds in Virginia, and other wet habitats that are in the Atlantic and Gulf Coastal Plain, Eastern Mountains, great Plains, Midwest, North central and Northeast. <ref name= "Weakley"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.</ref> <ref name= "USDA"> [https://plants.usda.gov/core/profile?symbol=CEAM USDA Plant Database]</ref> Specimens have been collected from habitats including edge of small pond in longleaf pine woodland, wet roadside depression, moist loamy sands, edge of wet savanna, and pine canopy forests. <ref name = "FSU herbarium"> URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: L.C. Anderson, R.K. Godfrey, B.Boothe, M. Boothe, V. Craig, William Platt.  States and counties: Florida (Jackson, Franklin, Wakulla, Gadsden, Liberty, Jefferson) Georgia (Thomas)</ref>
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Common habitats include pine savannas, wet pine flatwoods, sinkhole ponds in Virginia, and other wet habitats.<ref name= "Weakley"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.</ref> Specimens have been collected from habitats including edge of small pond in longleaf pine woodland, wet roadside depression, moist loamy sands, edge of wet savanna, and pine canopy forests. <ref name = "FSU herbarium"> URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: L.C. Anderson, R.K. Godfrey, B.Boothe, M. Boothe, V. Craig, William Platt.  States and counties: Florida (Jackson, Franklin, Wakulla, Gadsden, Liberty, Jefferson) Georgia (Thomas)</ref> Within the southeastern coastal plain, ''H. gymnanthum'' is listed by the USDA Natural Resources Conservation Service as a facultative wetland species that most often can be found in wetland habitats but can also occasionally be found in non-wetland habitats.<ref name= "USDA"/>
  
 
===Phenology===
 
===Phenology===

Revision as of 14:46, 23 May 2019

Common Names: claspingleaf St. Johnswort [1]

Hypericum gymnanthum
Hypericum gymnanthum IWF.jpg
Photo from Illinois Wildflowers Plant Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Theales
Family: Clusiaceae
Genus: Hypericum
Species: H. gymnanthum
Binomial name
Hypericum gymnanthum
L
HYPE GYMN DIST.JPG
Natural range of Hypericum gymnanthum from USDA NRCS Plants Database.

Taxonomic Notes

Description

H. gymnanthum is a perennial forb/herb of the Clusiaceae family that is native to North America. [1]

Distribution

H. gymnanthum is found throughout the eastern United States is a number of states; Florida, Georgia, South Carolina, North Carolina, Alabama, Mississippi, Louisiana, Texas, Arkansas, Tennessee, Virginia, Missouri, Kansas, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland, New Jersey, and New York. [1] It was added to the Kentucky flora in 2013, and is also disjunct in Guatemala, which might be an introduced population.[2]

Ecology

Habitat

Common habitats include pine savannas, wet pine flatwoods, sinkhole ponds in Virginia, and other wet habitats.[2] Specimens have been collected from habitats including edge of small pond in longleaf pine woodland, wet roadside depression, moist loamy sands, edge of wet savanna, and pine canopy forests. [3] Within the southeastern coastal plain, H. gymnanthum is listed by the USDA Natural Resources Conservation Service as a facultative wetland species that most often can be found in wetland habitats but can also occasionally be found in non-wetland habitats.[1]

Phenology

generally, H. gymnanthum flowers from June until September.[2] It has been observed flowering in May, July, and August. [4]

Conservation and Management

H. gymnanthum is listed as endangered by the Maryland Department of Natural Resources, Natural Heritage Program and by the Ohio Department of Natural Resources, Division of Natural Areas and Preserves. It is also listed as extirpated by the Pennsylvania Department of Conservation and Natural Resources.[1]

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 USDA Plant Database
  2. 2.0 2.1 2.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: L.C. Anderson, R.K. Godfrey, B.Boothe, M. Boothe, V. Craig, William Platt. States and counties: Florida (Jackson, Franklin, Wakulla, Gadsden, Liberty, Jefferson) Georgia (Thomas)
  4. 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: 22 MAY 2018