Hypericum annulatum

Hypericum annulatum is a species of herb in the genus Hypericum. It is closely related to Hypericum montanum which is its sister species.

Hypericum annulatum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: Hypericum sect. Adenosepalum
Species:
H. annulatum
Binomial name
Hypericum annulatum
Moris

Taxonomy

Hypericum annulatum was first described in 1827 by Moris in Stirp. Sard. volume 9. The holotype and isotype were both collected in Sardinia.[1]

Subspecies

Hypericum annulatum has three subspecies:

Description

The species is a perennial herb that grows 0.2-0.75 meters tall. Its stems are green to reddish in color.[2]

Medical use

Hypericum annulatum contains a newly discovered isocoumarin called annulatomarin. This modestly inhibits the growth of human chronic myeloid leukaemia LAMA-84 cells.[3]

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References

  1. "HYPERICUM annulatum Moris [family GUTTIFERAE] on JSTOR". Cite journal requires |journal= (help)
  2. Hypericum: MySpecies Retrieved 3 November 2015
  3. Nedialkov, PT; Zheleva-Dimitrova, D; Girreser, U; Kitanov, GM (2007). "A new isocoumarin from Hypericum annulatum". Nat Prod Res. 21 (12): 1056–60. doi:10.1080/14786410701567762. PMID 17852739.
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