Nomenclature
Taxonomy
| Kingdom | Plantae | Browse at kingdom-level |
|---|---|---|
| Order | ||
| Family | Hyperidaceae Juss. | Browse at family-level |
| Genus | Hypericum L. | Browse at genus-level |
| Section | ||
| Species | Hypericum perforatum | Browse at species-level |
| Subspecies | perforatum | |
| Variety | ||
| Form | ||
| Cultivar | ||
| Strain |
Binomial synonyms
No alternative names for this entry in the database.
Common names
No common names linked to this scientific name.
Genealogy
Genetics
| Chromosome pairs | No chromosome pair counts stored. | |
|---|---|---|
| Parentage background | No parentage background information stored. | |
| Ploidy level | No ploidy level information stored. | |
| Species identifier DNA | No species identifier DNA information stored. | |
Subspecies
No known subspecies for this entry in the database.
Distribution
No distribution maps for this entry in the database.
Macromorphology
- Description
- Growth form
- Herb
- Organism part
-
- Stems, twigs, branches
-
- Shape
- Straight
- Leaves, leaflets
-
- Shape
- Oblong, elliptic, ovate
- Note
- Usually shortly petiolate; in Russia and in Scandinavia leaves are sessile and the base rounded
- Leaf base
- Rounded, cuneate
- Flowers, inflorescences
-
- Note
- Petal laminar glands all pale to mostly black
Chemicals
No compound entries for this entry in the database.
Images
No images for this entry in the database.
Color swatches
No dyeing results for this entry in the database.
References
- E. Dauncey, J. Irving, and R. Alkin, "A review of issues of nomenclature and taxonomy of Hypericum perforatum L. and Kew's Medicinal Plant Names Services.," Journal of Pharmacy and Pharmacology , vol. 71 , no. 1 , pp. 4–14 , DOI: 10.1111/jphp.12831 .
- N. Orhan, St. John’s wort (Hypericum perforatum) laboratory guidance document., ABC-AHP-NCNPR Botanical Adulterants Prevention Program, 2021.
- N. Robson, "Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum.," Bulletin of The Natural History Museum. Botany Series. , vol. 32 , no. 2 , pp. 61–123 , DOI: 10.1017/S096804460200004X .