Difference between revisions of "Hypericum myrtifolium"

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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.-->
''H. myrtifolium'' is naturally found in fresh-water communities and marshes infrequently. <ref name= "Hilmon"> Hilmon, J. B. (1964). "Plants of the Caloosa Experimental Range " U.S. Forest Service Research Paper SE-12 </ref> Other natural communities include sandhills and flatwoods. <ref name= "Platt"> Platt, W. J., Gregory W. Evans, and Mary M. Davis (1988). "Effects of Fires Season on Flowering of Forbs and Shurbs in Longleaf Pine Forests." Oecologia 76(3): 353-363. </ref>
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''H. myrtifolium'' is naturally found in fresh-water communities and marshes infrequently. <ref name= "Hilmon"> Hilmon, J. B. (1964). "Plants of the Caloosa Experimental Range " U.S. Forest Service Research Paper SE-12 </ref> Other natural communities include sandhills and flatwoods. <ref name= "Platt"> Platt, W. J., Gregory W. Evans, and Mary M. Davis (1988). "Effects of Fires Season on Flowering of Forbs and Shurbs in Longleaf Pine Forests." Oecologia 76(3): 353-363. </ref> More specifically, ''H. myrtifolium'' can be found in dry loamy sand in open pine woodlands, sand pine stands, moist loams of swales in pine woodland, and in shaded swamps. <ref name= "Herbarium"> Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Loran C. Anderson, Wilson Baker, R. A. Norris, Robert K. Godfrey, R. Komarek, M. Davis, J. M. Kane, Cecil R. Slaughterm and R. Kral. States and counties: Florida: Leon, Wakulla, Duval, and Madison. Georgia: Thomas and Clinch. </ref>
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Associated species - ''Hypericum harperi'' <ref name= "Herbarium"/>
  
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->

Revision as of 14:31, 14 June 2018

Common name: myrtleleaf St. Johnswort

Hypericum myrtifolium
Hypericum myrtifolium SEF.jpg
Photo by the Southeastern Flora Plant Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Theales
Family: Clusiaceae
Genus: Hypericum
Species: H. myrtifolium
Binomial name
Hypericum myrtifolium
L
HYPE MYRT DIST.JPG
Natural range of Hypericum myrtifolium from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: none

Varieties: none

Description

H. myrtifolium is a native perennial shrub that is a member of the Clusiaceae family. [1] It is most recognizable by its clasping leaves, which are usually glaucous. [2]

Distribution

H. myrtifolium is found mainly in Florida, but can also be found sparingly in southern Alabama, Gerogia, and Mississippi. [1]

Ecology

Habitat

H. myrtifolium is naturally found in fresh-water communities and marshes infrequently. [3] Other natural communities include sandhills and flatwoods. [4] More specifically, H. myrtifolium can be found in dry loamy sand in open pine woodlands, sand pine stands, moist loams of swales in pine woodland, and in shaded swamps. [5]

Associated species - Hypericum harperi [5]

Phenology

H. myrtifolium flowers from May to June as well as November to December. [6].

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 USDA Plants Database URL: https://plants.usda.gov/core/profile?symbol=HYMY
  2. Carr, L. G. (1940). "Further notes on coastal floral elements in the bogs of Augusta County, Virginia." Rhodora 42(495): 86-93.
  3. Hilmon, J. B. (1964). "Plants of the Caloosa Experimental Range " U.S. Forest Service Research Paper SE-12
  4. Platt, W. J., Gregory W. Evans, and Mary M. Davis (1988). "Effects of Fires Season on Flowering of Forbs and Shurbs in Longleaf Pine Forests." Oecologia 76(3): 353-363.
  5. 5.0 5.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Loran C. Anderson, Wilson Baker, R. A. Norris, Robert K. Godfrey, R. Komarek, M. Davis, J. M. Kane, Cecil R. Slaughterm and R. Kral. States and counties: Florida: Leon, Wakulla, Duval, and Madison. Georgia: Thomas and Clinch.
  6. Panflora URL: http://www.gilnelson.com/PanFlora/