Hypericum annulatum
Hypericum annulatum is a species of flowering plant in the family Hypericaceae. 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]
References
- "HYPERICUM annulatum Moris [family GUTTIFERAE] on JSTOR". Cite journal requires
|journal=(help) - Hypericum: MySpecies Retrieved 3 November 2015
- 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. S2CID 42303845.
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