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Topic: Apostasioideae


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In the News (Wed 30 Dec 09)

  
  Deep Blue at the University of Michigan: A phylogenetic analysis of Apostasioideae (Orchidaceae) based on ITS, trn L-F ...
To study the position of Apostasioideae within Orchidaceae and their intra- and intergeneric relationships, a molecular phylogenetic analysis has been conducted on the nuclear ITS region and the two plastid DNA regions trn L-F intron and mat K. The two genera traditionally ascribed to Apostasioideae are each monophyletic.
One of these clades, Apostasioideae, is sister to the clade formed by Vanilloideae, Cypripedioideae, Orchidoideae and Epidendroideae.
High transition-transversion ratio and the absence of stop codons in the individual sequences suggest that mat K is at the transition from a possibly functional gene to a pseudogene in Apostasioideae, contrary to what is found in some other groups of Orchidaceae.
deepblue.lib.umich.edu /handle/2027.42/41641   (302 words)

  
 Amazon.com: Genera Orchidacearum: Volume 1: General Introduction, Apostasioideae, Cypripedioideae (Genera ...   (Site not responding. Last check: 2007-11-01)
This, the first volume of the Genera Orchidacearum, begins with several general introductory chapters outlining the long history of the efforts of plant scientists and breeders to provide a scientific classification of the orchids.
The book goes on to provide descriptions of each of the Apostasioideae and Cypripedioideae subfamilies which comprise around 150 species in seven genera.
Very comprehensive descriptions are provided for each of the genera, including the complete nomenclature and type citation, distribution, anatomy, palynology, embryology, cytogenetics, ecology, phenology and pollination, phytochemistry, phylogenetics, cultivation, economic uses, taxonomic notes, and a select bibliography.
www.amazon.com /Genera-Orchidacearum-Introduction-Apostasioideae-Cypripedioideae/dp/0198505132   (991 words)

  
 Subfamily APOSTASIOIDEAE — NOSSA
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Subfamily APOSTASIOIDEAE Two genera with about 16 species.
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www.nossa.org.au /Members/bjacobs/rss_manager.2006-03-07.7561629070/2006-03-20.8163083165   (59 words)

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