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Topic: Dioscoreales

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The Dioscoreales are primarily a tropical group, with a few species in Europe and temperate America.
The Dioscoreales are among those basal monocot groups which do not fit the textbook description of a monocot.
For this reason, the Dioscoreales have at times been considered the most "primitive" of monocots, but although they may retain many characters found in early monocots, they now appear to be more closely related to the Liliales.
www.ucmp.berkeley.edu /monocots/liliflorae/dioscoreales.html   (528 words)

However, since the group has been redefined to exclude the Asparagales, Dioscoreales, and Iridales, a position which is supported by both molecular and morphological evidence, the Liliales is now a rather small group, with about 1200 species.
The Asparagales and Dioscoreales have been lumped into the Liliaceae since approximately the beginning of this century.
In any case, it is quite likely that the group existed in some form by the Late Cretaceous, as it is believed to be one of the most "primitive" groups of monocots, that s, its appearance and ancestry indicate an early separation from other monocots.
www.ucmp.berkeley.edu /monocots/liliflorae/liliales.html   (707 words)

 Dioscoreales   (Site not responding. Last check: 2007-10-08)
Dioscoreales and Pandanales are sister taxa in some studies (e.g.
Stem-group Dioscoreales are dated to ca 124 mybp, crown group Dioscoreales to ca 123 mybp (Janssen and Bremer 2004).
Nartheciaceae are rather consistently placed with Dioscoreales, albeit often with only moderate support (e.g.
www.mobot.org /MOBOT/Research/APweb/orders/dioscorealesweb.htm   (1487 words)

 PBIO 450 Lecture Notes - Liliidae -- Spring 1998
The recognition of the Taccales as distinct from the Dioscoreales, as proposed by Takhtajan (1997), does not seem to be justified.
The small, solitary or paired flowers of the erect herbs of Trichopodaceae readily separate this familly from the climbing herbs of the Avertraceae that have 1-10 large flowers.
All of these families are best assigned to the Dioscoreales or Taccales.
www.life.umd.edu /emeritus/reveal/pbio/pb450/lili03.html   (478 words)

 Dioscoreales   (Site not responding. Last check: 2007-10-08)
LILIANAE Lilianae (Dioscoreales, Liliales, and Asparagales sensu Chase et al., 1995a, 1995b...
In Dioscoreales, Pandanus was recorded as secretory by Davis (1966), but...
Pandanaceae, Absent Stemonaceae, Triuridaceae, Velloziaceae Dioscoreales Burmanniaceae (incl.
encyklopedi.com /Dioscoreales   (228 words)

 Kew Scientist - April 1998 Issue 13   (Site not responding. Last check: 2007-10-08)
One of the main objectives of the Rubiaceae of Madagascar Project is to further Kew's GIS and conservation work in Madagascar by providing biogeographical data on the evergreen humid forests of the east, where Rubiaceae are particularly abundant.
Paul is undertaking systematic research on the yams (Dioscorea spp.) of the palaeotropics, while Liz, a Kew-funded PhD student, is investigating the systematics of Dioscoreales, of which there are several endemic species and one endemic genus in Madagascar.
The monotypic genus Avetra is of particular interest in understanding the systematics of the family, as characters such as bisexual flowers and rhizomes suggest that it could be primitive.
www.rbgkew.org.uk /kewscientist/Apr1998/pages/StfNws/Mad.htm   (287 words)

 Amazon.com: Books: Dioscoreales (Anatomy of the Monocotyledons, Vol 6)   (Site not responding. Last check: 2007-10-08)
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Dioscoreales (Anatomy of the Monocotyledons, Vol 6) (Hardcover)
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www.amazon.com /exec/obidos/tg/detail/-/019854376X?v=glance   (194 words)

 Thorne System - 1st Update
Smilacaceae, based on morphological and molecular evidence, should be transferred to Liliales from Taccales (Dioscoreales)
In Amaryllidineae of Asparagales return of Velloziaceae to Bromeliales, especially on basis of epicuticular wax crystalloids (see Froelich and Barthlott, 1988, Trop.
Taccales (Dioscoreales) erection of Pentastemona to family rank, Pentastemonaceae (See Bouman and Devente, 1992, Blumea 36: 501-514; Duyfjes 1991, 1992, Blumea 36: 239-252, 551-552; van Heel, 1992, Blumea 36: 481-499); and removal of Smilacaceae to Liliales, as indicated above
www.csdl.tamu.edu /FLORA/newgate/tupdate.html   (528 words)

 Dioscoreales - Encyclopedia Glossary Meaning Explanation Dioscoreales   (Site not responding. Last check: 2007-10-08)
Here you will find more informations about Dioscoreales.
If you find this encyclopedia or its sister projects useful,
The best known species is the Yam (Dioscorea).
www.encyclopedia-glossary.com /en/Dioscoreales.html   (57 words)

 Excellent Food For A Hungry World: Cassava And Yams
I discovered true yams in China, apparently grown in warm, humid South China, but they’re also a major crop in West Africa and elsewhere in the tropics.
The word “yam”; refers, not to a single species, but to a genus Dioscorea, of the family Dioscoreaceae, once put in the order Liliales, but now regarded as constituting its own order, Dioscoreales.
The most common yam in China is Dioscorea oppositifolia, which grows up to four feet long.
www.useless-knowledge.com /1234/july/article379.html   (684 words)

 Geeta's Research
Bharathan G. and Sinha N. "The Regulation of Compound Leaf Development." Plant Physiol.
Bharathan G. "Dioscoreales (yams and their allies)." Encyclopedia of Life Sciences.
E., and Sinha N. "Phylogenetic relationships and evolution of the KNOTTED class of plant homeodomain proteins." Mol.
life.bio.sunysb.edu /ee/geeta/Research.html   (514 words)

 Dioscoreales Anatomy of the Monocotyledons Vol 6 Computational Methods in Engineering Science! + + + buy- medical- book
Dioscoreales Anatomy of the Monocotyledons Vol 6 Computational Methods in Engineering Science!
Dioscoreales Anatomy of the Monocotyledons Vol 6 by ES Ayensu
More Details Dioscoreales Anatomy of the Monocotyledons Vol 6 ES Ayensu:
www.freebookreview.com /ES_Ayensu_book_Dioscoreales_Anatomy_of_the_Monocotyledons_Vol_6.html   (103 words)

Some Liliidae are arborescent, some possess net-veined leaves, and some have vessel elements throughout the shoot as well as in the root.
Recent molecular phylogenetic studies indicate that the Liliidae has at least 3 distinct lineages: Liliales, including Liliaceae sensu stricto, Smilacaceae, and a number of segregate families of Liliaceae sensu lato; Asparagales, including many of the epigynous Liliaceae segregate families, Iridaceae, and Orchidaceae; and Dioscoreales, including Dioscoreaceae and Burmanniaceae.
The Liliidae are likely sister to the morphologically most derived subclass Commelinidae (including Zingiberidae).
botit.botany.wisc.edu /courses/systematics/Phyla/Magnoliophyta/Liliidae.html   (170 words)

 Vascular Plant Family Names - 'T' group
--Cr: Liliidae, Liliales; Th: Lilianae, Taccales Ta: Liliidae, Taccales; Ap: non commelinoid Monocot, Dioscoreales
--Cr=Burmanniaceae; Th: Lilianae, Burmanniales Ta: Liliidae, Burmanniales; Ap: non commelinoid Monocot, Dioscoreales
--Cr=Dioscoreaceae; Th: Lilianae, Taccales Ta: Liliidae, Dioscoreales; Ap: non commelinoid Monocot, Dioscoreales
www.csdl.tamu.edu /FLORA/newgate/fpgtfam.htm   (510 words)

 Dioscoreales Books on Sale Right Now!   (Site not responding. Last check: 2007-10-08)
Looking For dioscoreales - Find dioscoreales and more at Lycos Search.
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www.karr.net /search/books/Dioscoreales   (196 words)

 air yam, Dioscorea bulbifera (Dioscoreales: Dioscoreaceae) @ Insect Images
air yam, Dioscorea bulbifera (Dioscoreales: Dioscoreaceae) @ Insect Images
Liliopsida > Dioscoreales > Dioscoreaceae > Dioscorea bulbifera L. Synonym(s): air potato, bitter yam, Dioscorea batatas Dcne.
Bulbils (aerial tubers) and alternate foliage in September
www.insectimages.org /browse/subimages.cfm?sub=3017   (93 words)

 Search results for research title
Form, function and ultrastructure of pollen of Rubiaceae
Phylogeny of the flowering plants with special emphasis on Gentianales, Dipsacales, Ericales and Dioscoreales
Phylogeny of the Ericales: a floral ontogenetic approach
www.br.fgov.be /cgi-bin/BIODIV/key_res.pl?file=dis_res&key_res=CPE3   (4252 words)

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