Hypericaceae
Roundseed St. Johnswort
Hypericum sphaerocarpum
- Family
- Hypericaceae
- Genus
- Hypericum
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Common names
By language (1)
- English
- Roundseed St. Johnswort
Synonyms
- Brathydium chamaenerium Spach
- Brathydium chamaerinum Steud.
- Brathydium sphaerocarpum (Michx.) Spach
- Hypericum chamaenerium (Spach) Steud.
- Hypericum dolabriforme Steud.
- Hypericum sphaerocarpum var. sphaerocarpum
- Hypericum sphaerocarpum var. turgidum (Small) Svenson
- Hypericum turgidum Small
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: melissa.bagwell, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: Dayton Ulrich, 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.