Trithuria sect. Trithuria
| Trithuria sect. Trithuria Temporal range: Early Miocene – Recent[1]
| |
|---|---|
| |
| Flowering Trithuria submersa | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Hydatellaceae |
| Genus: | Trithuria |
| Section: | Trithuria sect. Trithuria (Autonym) |
| Type species | |
| Trithuria submersa | |
| Species | |
Trithuria sect. Trithuria is a section within the genus Trithuria[2] native to Australia.[4]
Description
[edit]
The dehiscent fruit is a apocarpous monomerous follicle, which splits into three parts.[5] The strongly sculptured seed does not have a thick cuticular layer.[3]
Taxonomy
[edit]The type species is Trithuria submersa Hook. f.[2][3]
Species
[edit]- Trithuria bibracteata Stapf ex D.A.Cooke
- Trithuria occidentalis Benth.
- Trithuria submersa Hook.f.
Etymology
[edit]The section name Trithuria is derived from the Greek words τρεις treis meaning "three", and θυρις thyris meaning "window". It references the dehiscence of the fruit.[6][7]
Distribution
[edit]Its species occur in Australia (Southwest Western Australia, Tasmania, and Southeast mainland Australia).[4]
Phylogeny
[edit]Trithuria sect. Trithuria split from Trithuria sect. Hydatella about 16 million years ago in the Early Miocene.[1][8]
References
[edit]- ^ a b Iles, W. J., Lee, C., Sokoloff, D. D., Remizowa, M. V., Yadav, S. R., Barrett, M. D., ... & Graham, S. W. (2014). Reconstructing the age and historical biogeography of the ancient flowering-plant family Hydatellaceae (Nymphaeales). BMC evolutionary biology, 14, 1-10.
- ^ a b c d Iles, W. J., Rudall, P. J., Sokoloff, D. D., Remizowa, M. V., Macfarlane, T. D., Logacheva, M. D., & Graham, S. W. (2012). Molecular phylogenetics of Hydatellaceae (Nymphaeales): Sexual‐system homoplasy and a new sectional classification. American Journal of Botany, 99(4), 663-676.
- ^ a b c d Iles, W. J. D. (2013). The Phylogeny and Evolution of Two Ancient Lineages of Aquatic Plants (Doctoral dissertation, University of British Columbia).
- ^ a b Sokoloff, D. D., Remizowa, M. V., Macfarlane, T. D., Conran, J. G., Yadav, S. R., & Rudall, P. J. (2013). Comparative fruit structure in Hydatellaceae (Nymphaeales) reveals specialized pericarp dehiscence in some early–divergent angiosperms with ascidiate carpels. Taxon, 62(1), 40-61.
- ^ Romanov, M. S., Bobrov, A. V. C., Iovlev, P. S., Roslov, M. S., Zdravchev, N. S., Sorokin, A. N., ... & Kandidov, M. V. (2024). Fruit and seed structure in the ANA‐grade angiosperms: Ancestral traits and specializations. American Journal of Botany, 111(1), e16264.
- ^ Hooker, Joseph Dalton, Fitch, W. H., & Reeve Brothers. (1844). The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843 :under the command of Captain Sir James Clark Ross (Vol. 3, Issue 2, pp. 78-79). Reeve Brothers. https://www.biodiversitylibrary.org/page/28467263
- ^ Department for Environment and Water. (n.d.). Trithuria submersa (Hydatellaceae) | Seeds of South Australia - Species information. Retrieved July 26, 2023, from https://spapps.environment.sa.gov.au/SeedsOfSA/speciesinformation.html?rid=4619
- ^ Lin, Q. (2014). Using a low-copy nuclear gene (phosphoglycerate kinase; PGK) to explore the phylogeny of the aquatic plant family Hydatellaceae (Nymphaeales) (Doctoral dissertation, University of British Columbia).