Hypericaceae
Lesser marsh St. Johnswort
Hypericum tubulosum
- Family
- Hypericaceae
- Genus
- Hypericum
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Common names
By language (1)
- English
- Lesser marsh St. Johnswort
Synonyms
- Hypericum petiolatum var. tubulosum (Walter) Fernald
- Hypericum tubulosum var. tubulosum
- Hypericum virginicum subsp. tubulosum (Walter) A.E.Murray
- Hypericum virginicum var. tubulosum (Walter) A.E.Murray
- Hypericum walteri var. tubulosum (Walter) Lott
- Triadenum longifolium Small
- Triadenum tubulosum (Walter) Gleason
Flowers
- In flower
- August to September (from 27 flowering iNaturalist observations worldwide)
Photos
FlowerPhoto: Brian Finzel, CC BY-SA 4.0, from iNaturalist 
FruitPhoto: Anne Parker, CC BY 4.0, from iNaturalist 
Photo: carter, CC BY 4.0, from iNaturalist 
Photo: ilouque, CC BY 4.0, from Wikimedia Commons 
Photo: ilouque, CC BY 4.0, from Wikimedia Commons
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). About our plant data.