Hypericum rupestre

Hypericum rupestre
	Specimen of Hypericum rupestre
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Hypericaceae
Genus:	Hypericum
Section:	Hypericum sect. Arthrophyllum
Species:	H. rupestre
Binomial name
	Hypericum rupestre; Jaub. & Spach (1842)
	Distribution of Hypericum rupestre in Turkey
Synonyms
	H. rupestre α rotundifolium Jaub. & Spach; H. rupestre β ovalifolium Jaub. & Spach;

Hypericum rupestre is a species of flowering plant in the genus Hypericum. It is the type species of sect. Arthrophyllum. It was first described by Hippolyte Jaubert and Édouard Spach in 1842 in the journal Ill. Pl. Orient.. The species is found only in a small area in the southern region of Turkey.[1]

Description

The species is a shrub that grows up to 30 centimeters in height. It stands erect and is a bushy, rounded shape with erect or tortuous branches. The stems are 4-lined and are green when young, but later become red-brown and flattened, and still later turn grey. The species has 9-16 flowers that usually grow from two nodes. The flowers are 2-2.5 centimeters in diameter with elliptic and rounded buds, and their petals are bright yellow. It has 30-40 stamens, 3 ovaries, and 3-4 times as many styles as ovaries.[2]

Uses

H. rupestre, alongside several other species, is used as a traditional folk medicine in its native country, Turkey. Because of this, it has been investigated for its antibacterial properties, and ethanols extracted from it have been shown to be effective antimicrobials against Staphylococcus aureus and Bordatella bronchiseptica.[3]

Antibacterial activity of ethanol extracts
Plant Tested	Aqueous extract		Ethanol extract
Plant Tested	MIC	MBC	MIC	MBC
Hypericum rupestre	1.6–6.3 mg/mL	3.2–25 mg/mL	0.8–3.2 mg/mL	1.6–12.5 mg/mL

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References

"Hypericum rupestre Jaub. & Spach | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2019-04-30.
"Nomenclature | Hypericum online". hypericum.myspecies.info. Retrieved 2019-04-30.
Dulger, B.; Hacioglu, N. (2009). "Antibacterial Activity of Three EndemicHypericumSpecies used in Folkloric Medicine against Methicilin-ResistantStaphylococcus Aureus". Biotechnology & Biotechnological Equipment. 23 (sup1): 763–765. doi:10.1080/13102818.2009.10818535. ISSN 1310-2818.

Isolectotype of Hypericum rupestre

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[1] "Hypericum rupestre Jaub. & Spach | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2019-04-30.

[2] "Nomenclature | Hypericum online". hypericum.myspecies.info. Retrieved 2019-04-30.

[3] Dulger, B.; Hacioglu, N. (2009). "Antibacterial Activity of Three EndemicHypericumSpecies used in Folkloric Medicine against Methicilin-ResistantStaphylococcus Aureus". Biotechnology & Biotechnological Equipment. 23 (sup1): 763–765. doi:10.1080/13102818.2009.10818535. ISSN 1310-2818.