Hypericum prolificum

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Hypericum prolificum
Hypericum prolificum Arkansas.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Myriandra
Subsection:
Species:
H. prolificum
Binomial name
Hypericum prolificum

Hypericum prolificum, known as shrubby St. John's wort,[2] is a deciduous shrub in the genus Hypericum. It was named for its "prolific" number of stamens.[3]

Description[]

Hypericum prolificum is a shrub growing up to 2 m (6 ft 7 in) tall with elliptic to oblanceolate leaves up to 70 mm (2.8 in) long and 15 mm (0.59 in) broad.[4] The flowerheads have between 1 and 9 flowers, each 15–30 mm (0.59–1.18 in) across with 5 golden yellow petals and numerous stamens.[4] The ovary is usually three-parted, though may have up to five parts in some individuals.[4]

Distribution and habitat[]

Hypericum prolificum is native to the central and eastern United States and Ontario.[2][5] Habitats include riparian areas, slopes, thickets, swamp edges, and oak woodlands.[2][6]

Gallery[]

  • Young leaves emerging in early spring

  • In flower

  • Flower and buds close-up

  • In fruit

References[]

  1. ^ "Hypericum prolificum L." ipni.org. International Plant Names Index. Retrieved 2018-09-23.
  2. ^ a b c Robson, Norman K. B. (2015). "Hypericum prolificum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 6. New York and Oxford. Retrieved 2018-09-23 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  3. ^ "Hypericum prolificum". Go Botany. New England Wildflower Society. Retrieved 2018-09-23.
  4. ^ a b c "Hypericum prolificum". hypericum.myspecies.info. Retrieved 2018-10-21.
  5. ^ USDA, NRCS (n.d.). "Hypericum prolificum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2018-09-23.
  6. ^ Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Hypericum prolificum". Michigan Flora Online. University of Michigan Herbarium.
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