Hypericum suffruticosum

Hypericum suffruticosum, known as pineland St. John's-wort,[3][4] is a species of flowering plant in the St. John's wort family, Hypericaceae.[5] It is native to the Southeastern United States.[6]

Hypericum suffruticosum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Myriandra
Subsection: H. subsect. Ascyrum
Species:
H. suffruticosum
Binomial name
Hypericum suffruticosum
W.P.Adams & N.Robson[1]
Synonyms[2]
  • Ascyrum nummularifolium Banks ex Steud.
  • Ascyrum pauciflorum Nutt.
  • Ascyrum pumilum Michx.

Description

Pineland St. John's wort is a small, spreading shrub, only 5 to 20 cm (2.0 to 7.9 in) tall, with many-branched stems. The stems are 4-lined when young, exfoliating as it matures, into thin, reddish-brown strips or flakes. The leaves are slightly leathery, 3 to 10 mm (0.12 to 0.39 in) long and 1 to 3 mm (0.039 to 0.118 in) across, sessile or subsessile, with pale undersides. The leaf edge (margin) is flat or slightly recurved.[5]

A single flower is produced in each inflorescence. Each flower is on a pedicel 5 to 12 mm (0.20 to 0.47 in) long, recurved or reflexed at maturity. Each flower is 10 to 15 mm (0.39 to 0.59 in) in diameter with 4 sepals, 4 pale yellow petals, and approximately 30 stamens. The ovary is two parted.[5]

Distribution and habitat

Hypericum suffruticosum occurs in the Atlantic coastal plain in the southeastern United States, in Alabama, Florida, Georgia, Louisiana, North Carolina, and South Carolina.[6] Its habitat includes dry, open, sandy areas such as pine flatwoods and savannas.[6][4]

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References
  1. "Hypericum suffruticosum". ipni.org. International Plant Names Index. Retrieved 2018-10-21.
  2. "Hypericum suffruticosum". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-10-21.
  3. "Hypericum suffruticosum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2018-10-21.
  4. Weakley, Alan S. (2018), Flora of the Southern and Mid-Atlantic States, working draft of 20 August 2018, University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill
  5. "Hypericum suffruticosum". hypericum.myspecies.info. Retrieved 2018-10-21.
  6. Robson, Norman K. B. (2015). "Hypericum suffruticosum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 6. New York and Oxford. Retrieved 2018-10-21 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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