Portulacaceae

Encyclopedia : P : PO : POR : Portulacaceae

Portulacaceae is a family of flowering plants, comprising about 20 genera with about 500 species, ranging from herbaceous plants to shrubs. 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 semi-arid regions of the Southern Hemisphere in Africa, Australia, and South America, but with a few species also extending north into Arctic regions.

The APG II system (2003; unchanged from the APG system of 1998) assigns it to the order Caryophyllales in the clade core eudicots.

Selected genera

• Calandrinia
• Calyptridium
• Cistanthe
• Claytonia
• Lewisia
• Montia
• Phemeranthus
• Portulaca
• Portulacaria
• Spraguea
• Talinopsis
• Talinum

References

• [Portulacaceae] in L. Watson and M.J. Dallwitz (1992 onwards). [The families of flowering plants]
• [Flora of North America: Portulacaceae]
• [Flora of China: Portulacaceae]
• [NCBI Taxonomy Browser]
• [links at CSDL]

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