Hypericum ascyron subsp. pyramidatum
Great St. John's Wort, American Great St. John's Wort
Other regional names: Great St. Johnswort
- Great St. Johnswort
Also known as: Hypericum amplexicaule Lam. +9 more
- Hypericum amplexicaule Lam.
- Hypericum ascyroides Willd.
- Hypericum ascyron var. americanum (Spach) Y.Kimura ex Nakai & Honda
- Hypericum ascyron var. americanum Y.Kimura
- Hypericum bartramianum Miller
- Hypericum bartramianum Pursh
- Hypericum bartramium Mill.
- Hypericum macrocarpum Michx.
- Hypericum pyramidatum Dryand. ex Aiton
- Roscyna americana Spach
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Hypericaceae
- WCVP Morphological Data: Recorded natively as a perennial.
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Hypericum ascyron subsp. pyramidatum (commonly known as Great St. John's Wort or American great St. John's-wort) is a herbaceous perennial belonging to the Hypericaceae family. Naturally occurring in North America, this subspecies is primarily associated with temperate conditions. It is a naturally occurring subspecies of Hypericum ascyron, which is linked below, along with other subspecies of this species.
Macro Climate
Temperate
Plant Type
Herbaceous Perennial
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, North-Central U.S.A., Northeastern U.S.A., Southeastern U.S.A.
Botanical Countries (WGSRPD L3)
Connecticut, Illinois, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New York, Ohio, Ontario, Pennsylvania, Québec, Vermont, Wisconsin
Base Species & Variations