Hypericaceae
Large St. Johnswort
Hypericum majus
- Family
- Hypericaceae
- Genus
- Hypericum
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Common names
By language (1)
- English
- Large St. Johnswort
Synonyms
- Hypericum blacksonioides Obern.
- Hypericum canadense var. majus A.Gray
- Hypericum mutilum var. longifolium R.Keller
- Sarothra major (A.Gray) Y.Kimura
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: aarongunnar https://www.inaturalist.org/people/aarongunnar, CC BY 4.0, from Wikimedia Commons Photo: Diane Okrongly, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Hypericum
- Common St. JohnswortHypericum perforatumHypericaceae
- Spotted St. JohnswortHypericum maculatumHypericaceae
- Sweet-amberHypericum androsaemumHypericaceae
- Hairy St John's-wortHypericum hirsutumHypericaceae
- Trailing St. JohnswortHypericum humifusumHypericaceae
- Mountain St. John's WortHypericum montanumHypericaceae
- PeterwortHypericum tetrapterumHypericaceae
- Aaron's beardHypericum calycinumHypericaceae
- Slender St John's-wortHypericum pulchrumHypericaceae
- Goat St John's wortHypericum hircinumHypericaceae
- Goldencup St. John's wortHypericum patulumHypericaceae
- Hypericum triquetrifoliumHypericaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.