Xyridaceae
Xyridaceae | |
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Xyris complanata flower close-up | |
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Xyridaceae
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The Xyridaceae are a family of flowering plants. The botanical name has been recognized by many taxonomists and is known as the yellow-eyed grass family.
The APG II system, of 2003 (unchanged from the APG system of 1998), also recognizes this family, and assigns it to the order Poales in the clade commelinids, in the monocots. This treatment in APG II represents a slight change from the APG system of 1998, which had recognized the family Abolbodaceae for some of the plants included here; that family was unplaced as to order, but was assigned to this same clade (although APG used the spelling "commelinoids").
The family contains almost 300 species in five genera, but most of the species are found in the genus Xyris (see also Abolboda). The species are mostly tropical and subtropical.
The Cronquist system of 1981 also recognized such a family and placed it in the order Commelinales in the subclass Commelinidae in class Liliopsida in division Magnoliophyta.
The Wettstein system, last updated in 1935, placed the family in order Enantioblastae.
Xyris torta, twisted yellow-eyed grass, is on Minnesota's endangered species list.
References
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External links
Wikimedia Commons has media related to Xyridaceae. |
- Xyridaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, information retrieval. Version: 27 April 2006. http://delta-intkey.com
- Xyridaceae in the Flora of North America
- Xyridaceae in the Flora of China
- Xyris in western Australia
- NCBI Taxonomy Browser
- links at CSDL
- ↑ Lua error in package.lua at line 80: module 'strict' not found.