Portulacaceae
| Portulacaceae | |
|---|---|
| |
| Portulaca amilis | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Portulacaceae Juss.[1] |
| Genera | |
The Portulacaceae are a family of flowering plants, comprising 115 species in a single genus Portulaca.[2] Formerly some 20 genera with about 500 species, were placed there, but it is now restricted to encompass only one genus, the other genera being placed elsewhere. The family has been recognised by most taxonomists, and is also known as the purslane family; it has a cosmopolitan distribution, with the highest diversity in semiarid regions of the Southern Hemisphere in Africa, Australia, and South America, but with a few species also extending north into Arctic regions. The family is very similar to the Caryophyllaceae, differing in the calyx, which has only two sepals.
The APG II system (2003; unchanged from the APG system of 1998) assigns it to the order Caryophyllales in the clade core eudicots. In the APG III system, several genera were moved to the Montiaceae, Didiereaceae, Anacampserotaceae and Talinaceae, thus making the family monotypic and only containing the genus Portulaca.[1]
References
- ↑ 1.0 1.1 Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-07-06.
- ↑ Christenhusz, M. J. M.; Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. Magnolia Press. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
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Wikispecies has information related to Portulacaceae |
- Portulacaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants
- Flora of North America: Portulacaceae
- Flora of China: Portulacaceae
- links at CSDL
- Portulacaceae of Chile, by Chileflora
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