Difference between revisions of "Hypericum myrtifolium"

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===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
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''H. myrtifolium'' has been observed flowering from May to July as well as October to December. <ref name= "Panflora"> 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 </ref> <ref name= "Herbarium"/>.  
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''H. myrtifolium'' commonly flowers from April until June.<ref>[[https://www.wildflower.org/plants/search.php?search_field=&newsearch=true]] Lady Bird Johnson Wildflower Center. Accessed: May 28, 2019<.ref> It has been observed flowering from May to July as well as October to December. <ref name= "Panflora"> 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 </ref> <ref name= "Herbarium"/>.  
 
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Revision as of 10:44, 28 May 2019

Common name: myrtleleaf St. Johnswort; polebark 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

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 a southeastern coastal plain endemic species, found mainly in Florida, but can also be found sparingly in southern Alabama, Gerogia, and Mississippi.[1][3]

Ecology

Habitat

H. myrtifolium is primarily found in habitats surrounding ponds.[3] It is naturally found in fresh-water communities and marshes infrequently. [4] Other natural communities include sandhills and flatwoods. [5] 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.[6] It is listed by the USDA Natural Resources Conservation Service as a facultative wetland species that is most often found in wetland habitats but can also occasionally be found in non-wetland habitats.[1]

Associated species - Hypericum harperi [6]

Phenology

H. myrtifolium commonly flowers from April until June.Cite error: Closing </ref> missing for <ref> tag [6].

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 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. 3.0 3.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. Hilmon, J. B. (1964). "Plants of the Caloosa Experimental Range " U.S. Forest Service Research Paper SE-12
  5. 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.
  6. 6.0 6.1 6.2 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.