Hypericum tertiaerum
Hypericum tertiaerum is an extinct species of the genus Hypericum. Seeds of H. tertiaerum have been found in Central and Eastern Europe and Siberia, and date from the Lower to Upper Miocene and the Pliocene.[1] While it has sufficient identifying characteristics to place it within Hypericum, there is not enough surviving detail to assign it to any subdivisions within the genus.[2] However, it has been determined that the seeds of H. japonicum, H. virginicum, and H. tubulosum closely resemble those of H. tertiaerum.[1]
| Hypericum tertiaerum | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Hypericaceae |
| Genus: | Hypericum |
| Species: | †H. tertiaerum |
| Binomial name | |
| †Hypericum tertiaerum Nikitin | |
References
- Meseguer, Andrea S.; Sanmartín, Isabel (30 June 2012). "Paleobiology of the genus Hypericum (Hypericaceae): a survey of the fossil record and its palaeogeographic implications". Anales del Jardín Botánico de Madrid. 69 (1): 97–106. doi:10.3989/ajbm.2306. ISSN 1988-3196.
- Meseguer, Andrea S.; Lobo, Jorge M.; Ree, Richard; Beerling, David J.; Sanmartín, Isabel (13 November 2014). "Integrating Fossils, Phylogenies, and Niche Models into Biogeography to Reveal Ancient Evolutionary History: The Case of Hypericum (Hypericaceae)". Systematic Biology. 64 (2): 215–232. doi:10.1093/sysbio/syu088. ISSN 1076-836X. PMC 4380036. PMID 25398444.
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