Hypericum ascyron subsp. pyramidatum (Aiton) N. Robson

Hypericum ascyron subsp. pyramidatum (Aiton) N. Robson is an accepted subspecies name sensu FNA Ed. Comm., 2015.

Vernacular names

• millepertuis pyramidal Newcomb, 1983

• American great St. John's-wort Weakley, 2012

Synonyms

• Hypericum amplexicaule Lamarck nom. illeg. TROPICOS
• Hypericum ascyroides Willdenow FNA Ed. Comm., 2015
• Hypericum ascyron var. americanum (Spach) Y. Kimura FNA Ed. Comm., 2015
• Hypericum bartramianum Miller FNA Ed. Comm., 2015
• Hypericum macrocarpum Michaux FNA Ed. Comm., 2015
• Hypericum pyramidatum Aiton FNA Ed. Comm., 2015
• Roscyna americana Spach FNA Ed. Comm., 2015

Distribution

• Map view
• List view

• Native
• Introduced
• Ephemeral
• Excluded
• Extirpated
• Doubtful
• Absent

Classification

Class	Equisetopsida
Subclass	Magnoliidae
Superorder	Rosanae
Order	Malpighiales
Family	Hypericaceae
Tribe	Hypericeae
Genus	Hypericum
Section	Hypericum sect. Roscyna
Species	Hypericum ascyron
Subspecies	Hypericum ascyron subsp. pyramidatum

Habit

Herb