Xyridaceae


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Xyridaceae

[‚zir·ə′dās·ē‚ē]
(botany)
A family of terrestrial monocotyledonous plants in the order Commelinales characterized by an open leaf sheath, three stamens, and a simple racemose head for the inflorescence.
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1813) have long taxonomic histories; however, two-thirds of the currently recognized species of Abolboda, as well as three Xyridaceae genera, were not named until the last half of the twentieth century (see Campbell, 2008).
Palynological research on Xyridaceae is hindered by limited suitable samples, especially in fluid preserved collections, due to the remote locations of most populations and the brief floral phenology (Carlquist, 1960; Campbell, 2004b).
even though they do not belong to the taxa Xyridaceae or Xyris.
Among Commelinales, Commelinaceae are plasmodial, whereas Eriocaulaceae and Xyridaceae are probably secretory.
1995a (commelinoid families) (Table II), notably those of (a) the clade comprising Xyridaceae and Eriocaulaceae, and (b) the poalean clade (Linder & Kellogg, 1995), with the exception of Flagellariaceae, which is probably the sister taxon to other Poales (Kellogg & Linder, 1995).