Pontederiaceae
| Pontederiaceae | |
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| File:IMG 2365.jpg | |
| Eichhornia crassipes | |
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Pontederiaceae
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Pontederiaceae is a family of flowering plants.
The APG II system, of 2003 (unchanged from the APG system, of 1998) places the family in the order Commelinales, in the commelinid clade, in the monocots. It is a small family of heterostylous aquatic plants, occurring in tropical and subtropical waters. Charles Darwin was interested in the specialized form of heterostyly found in the family, known as tristyly. Not all of the species are heterostylous. The family probably contains fewer than three dozen species.
It is best known for the water hyacinth (Eichhornia crassipes), which is an invasive species in many waterways. The highly modified Hydrothrix gardneri is a submerged aquatic with a two-flowered pseudanthium.
Taxonomy
There are 9 genera within this family as below.
- Eichhornia Kunth
- Eurystemon
- Heteranthera Ruiz & Pav.
- Hydrothrix
- Monochoria C.Presl
- Pontederia L.
- Reussia
- Scholleropsis H.Perrier
- Zosterella
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons 
Data related to Pontederiaceae at Wikispecies
- Pontederiaceae in L. Watson and M.J. Dallwitz (1992 onwards).
- The families of flowering plants: descriptions, illustrations, identification, information retrieval. Version: 9 March 2006. http://delta-intkey.com.
- Pontederiaceae in the Flora of North America
- Pontederiaceae in the Flora of China
- NCBI Taxonomy Browser
- links at CSDL
