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definitions
Portulacaceae (n.)
1.family of usually succulent herbs; cosmopolitan in distribution especially in Americas
2.(MeSH)A plant family of the order Caryophyllales, subclass Caryophyllidae, class Magnoliopsida. There are no true petals; each flower has two to six sepals. They produce betacyanin and betaxanthin pigments and lack anthocyanins.
synonyms
Portulacaceae (n.)
phrases
analogical dictionary
biology[Domaine]
FloweringPlant[Domaine]
caryophylloid dicot family[Hyper.]
Caryophyllales, Chenopodiales, order Caryophyllales, order-Chenopodiales[membre]
Portulacaceae (n.)
Wikipedia
Portulacaceae
| Portulacaceae | |
|---|---|
 |
|
| Portulaca amilis | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Portulacaceae Juss. |
| Genera | |
|
See text |
|
Portulacaceae are 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 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.
References
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Wikimedia Commons has media related to: Portulacaceae |
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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
- NCBI Taxonomy Browser
- links at CSDL
- Portulacaceae of Chile, by Chileflora
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This Caryophyllales article is a stub. You can help Wikipedia by expanding it. |
