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Topic: Didymelaceae


In the News (Thu 16 Feb 12)

  
  Didymelaceae/Schizocolpus   (Site not responding. Last check: 2007-10-26)
Affinities of the Malagasy endemic Didymeles (Didymelaceae) (3 spp.) have yet to be determined.
Nevertheless, distinctive, unique pollen (3- zonocolporate, with 2-orate, operculate colpi and a reticulate, columellate tectum with spinulose muri) has permitted unequivocal identification of the fossil pollen Schizocolpus marlinensis as Didymelaceae.
Schizocolpus is known from the Paleocene to Oligocene along the now-submerged Ninety East Ridge (Kemp & Harris 1977), the Paleocene to lower Eocene of New Zealand (Mildenhall 1980) and the middle Eocene Gippsland Basin of Australia (Stover & Partridge 1973), indicating a formerly much larger late Cretaceous/early Tertiary distribution.
www.mobot.org /MOBOT/Madagasc/biomad7.html   (93 words)

  
 Buxaceae - Wikipedia, the free encyclopedia
However, APG II does allow the option of segregating this genus as family Didymelaceae, as an optional segregate.
The AP website suggests instating the order Buxales for this family and the family Didymelaceae.
Buxaceae, Didymelaceae, Stylocerataceae in L. Watson and M.J. Dallwitz (1992 onwards).
en.wikipedia.org /wiki/Buxaceae   (272 words)

  
 von Balthazar, Maria* and Peter K. Endress.   (Site not responding. Last check: 2007-10-26)
The phylogenetic position of the genus Didymeles has been much debated since its description in the early 19th century.
Recent molecular and combined molecular and morphological analyses strongly support the sister relationship of the monogeneric Didymelaceae and Buxaceae and place them in a grade of families at the base of eudicots between ranunculids and core eudicots.
Here we present a more detailed study on the structures of female inflorescences and flowers of Didymeles integrifolia and discuss the results in comparison with inflorescences and flowers of the sister family Buxaceae and other members of basal eudicots.
www.botany2002.org /section2/abstracts/13.shtml   (308 words)

  
 Deep Time Project   (Site not responding. Last check: 2007-10-26)
Asterids and rosids (as well as Saxifragales) as illustrated as single terminals.
Note that Buxaceae, Didymelaceae, Dilleniaceae, Sabiaceae, Trochodendraceae, and Vitaceae are unplaced to order.
The jackknife consensus tree focusing on a portion of the eurosid I clade.
www.flmnh.ufl.edu /deeptime/Angiosperm.treesoltis.html   (469 words)

  
 Madagascar, Royal Botanic Gardens, Kew: Science and Horticulture: Madagascar: Home Page
White (1983) identified eight endemic plant families out of a total of 191.
These were Asteropeiaceae, Didiereaceae, Didymelaceae, Diegodendraceae, Geosiridaceae, Humbertiaceae, Sphaerosepalaceae and Sarcolaenaceae.
Some of these family groups have since been revised as a result of phylogenetic studies (e.g.
www.rbgkew.org.uk /scihort/madagascar/overview.html   (776 words)

  
 The four-celled female gametophyte of Illicium (Illiciaceae; Austrobaileyales): implications for understanding the ...
The reference list for embryological studies may not include some studies of phylogenetically nested genera within each family (for additional references, see Schnarf, 1931; Davis, 1966; Bhandari, 1971; Yakovlev, 1981; Johri et al., 1992; Batygina, 1994).
To our knowledge Cymodoceaeceae, Didymelaceae, Gomortegaceae, Posidoniaceae, and Pteridophyllaceae have not been studied
Our review of over 250 primary embryological studies (see Table 1)
www.amjbot.org /cgi/content/full/91/3/332   (6765 words)

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