Hypericum tubulosum
Species of flowering plant
From Wikipedia, the free encyclopedia
Hypericum tubulosum, the lesser marsh St. Johnswort or southern marsh St. John's-wort, is a species of flowering plant in the family Hypericaceae.[2][3] Formerly classified as synonym Triadenum tubulosum,[1] the species is found across the Southern United States and Midwest.[3] It grows in wetlands such as bogs and floodplains.[2][4]
| Hypericum tubulosum | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Hypericaceae |
| Genus: | Hypericum |
| Species: | H. tubulosum |
| Binomial name | |
| Hypericum tubulosum Walter | |
| Synonyms[1] | |
| |
Description

Lesser marsh St. Johnswort is a perennial herb that grows to approximately 32 inches (81 cm) tall. Its pink flowers bloom in August and September.[4]
The seeds of H. tubulosum closely resemble those of the extinct paleospecies Hypericum tertiaerum.[5]