Hypericum mutilum

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Common name: dwarf St. Johnswort [1]

Hypericum mutilum
Hypericum mutilum BM.jpg
Photo by John B
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Theales
Family: Clusiaceae
Genus: Hypericum
Species: H. mutilum
Binomial name
Hypericum mutilum
L
HYPE MUTI DIST.JPG
Natural range of Hypericum mutilum from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: Hypericum mutilum L. var. latisepalum Fernald; Hypericum mutilum L. var. parviflorum (Willd.) Fernald

Varieties: none

Description

H. mutilum is an annual/perennial forb/herb native to Canada and North America and introduced in Hawaii. [1]

Distribution

H. mutilum is found in: the eastern half of the United States; Washington; California; the British Columbia, Saskatchewan, Ontario and Quebec regions of Canada; Hawaii. [1]

Ecology

Habitat

H. mutilum is found in bogs, fens, marshes, shores, and other wet habitats. [2] Specimens have been collected from shallow water of marsh area, moist loamy sand, floodplains, small pond depression, and edge of river. [3]

Phenology

H. mutilum has been observed flowering in April through July. [4]

Fire ecology

H. mutilum is not fire resistant and has low fire tolerance. [1]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 USDA Plant Database https://plants.usda.gov/core/profile?symbol=HYMU
  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: Loran C. Anderson, V. Craig, H. Roth, Bill Boothe, marcia Boothe, Leon Neel, R.K. Godfrey, R. Komarek, J.M. Kane, Annie Schmidt. States and counties: Florida (Gadsden, Leon, Liberty, Wakulla) Georgia (Thoms, Grady) South Carolina (Georgetown)
  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