Hypericum aegypticum

Hypericum aegypticum, also known as Egyptian Saint John's wort,[4] is an evergreen shrub or shrublet in the section Adenotrias of the genus Hypericum. Less frequently, dwarf Saint John's wort is used as an alternate name.[5]

Hypericum aegypticum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: Hypericum sect. Adenotrias
Species:
H. aegypticum
Binomial name
Hypericum aegypticum
Synonyms[3]
  • Hypericum webii
  • Hypericum creticum
  • Hypericum heterostylum
  • Triadina aegypticum
  • Triadina webii
  • Triadenia aegyptica
  • Triadenia microphylla
  • Elodea aegyptica
  • Elodes aegyptica
  • Episiphis parvifolia

Description

Hypericum aegypticum grows up to two meters tall in the wild. However, some forms grow to only 15 centimeters tall in cultivation.[6]

It flowers during the summer.[7] The sepals are ovate with pointed tips. They are yellow-green and sometimes have a reddish tip. They can grow to be 5-6 mmm long.[8]

Distribution

It can be found frequently in the wild and is indigenous to Malta, Greece, Morocco, Algeria, and Libya.[9][10]

Hypericum aegypticum in its natural habitat

H. aegypticum is found in limestone rocks and scree in valleys in coastal areas. It is found anywhere from sea level to 1600 meters above sea level.

Conservation

Hypericum aegypticum has not been assessed for the IUCN Red List. There are currently no laws protecting the species.[11]

Taxonomy

Hypericum aegypticum has many synonyms including Hypericum webii, Triadina aegypticum, and Triadina webii.[12]

The following subspecies are accepted:[13]

References
  1. "Hypericum aegypticum". hypericum.myspecies.info. Retrieved 2017-12-30.
  2. "IPNI Plant Name Details". www.ipni.org. Retrieved 2017-12-30.
  3. Robson, Norman. Studies in the genus Hypericum L. (Guttiferae). pp. Sections 20. Myriandra to 28. Elodes.
  4. "Garden Away".
  5. "Hypericum aegypticum, Dwarf St. John's Wort, Shrub, [H. heterostylum, Triadenia maritima]". Plant Information. Retrieved 2017-12-30.
  6. "Hypericum aegypticum, Dwarf St. John's Wort, Shrub, [H. heterostylum, Triadenia maritima]". Plant Information. Retrieved 2017-12-30.
  7. "Deeproot Plant Base Online - Hypericum aegypticum". www.deeproot.co.uk. Retrieved 2017-12-30.
  8. "BOTANY.cz » HYPERICUM AEGYPTICUM subsp. WEBBII (Spach) N. Robson – třezalka / ľubovník". botany.cz. Retrieved 2017-12-30.
  9. Mifsud, Stephen (2002-08-23). "Wild Plants of Malta & Gozo - Plant: Hypericum aegypticum (Shrubby St. John's Wort)". www.maltawildplants.com. Retrieved 2017-12-30.
  10. "PESI portal - Hypericum aegypticum L." www.eu-nomen.eu. Retrieved 2017-12-30.
  11. "Hypericum aegypticum - L." eunis.eea.europa.eu. Retrieved 2017-12-12.
  12. "Hypericum aegypticum". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2018-01-23.
  13. "Hypericum aegypticum". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-10-21.
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