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Topic: Ginkgoales


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In the News (Thu 24 Dec 09)

  
  adonline.id.au | plant evolution | the tour | Flora of the Permian
There was a rapid evolution of a range of plants including the Ginkgoales and Bennettites, as well as the dominant flora of the era; the Glossopterids.
The Ginkgoales first appear in the early Permian fossil record (c.280Ma) and are limited today to a single species; Ginkgo biloba which has become popular in recent times for its herbal qualities.
At their peak, the Ginkgoales were represented by approximately 16 genera which were distributed throughout many parts of the world.
www.adonline.id.au /plantevol/tour/tour9.htm   (691 words)

  
 Ginkgophyta :: Plantae
Ginkgoales: Fossil Record: Illustrated discussion of the fossil record of ginkgos through the Tertiary.
Ginkgophytes: Brief discussion of the lineage that originated in the late Paleozoic, became quite diverse during the Mesozoic, and is now represented by one species.
Introduction to the Ginkgoales: Brief discussion of living and fossil ginkgos.
science.gourt.com /Biology/Flora-and-Fauna/Plantae/Ginkgophyta.html   (307 words)

  
 Ginkgo
Ginkgo biloba L. The ginkgo, Ginkgo biloba, sometimes also known as the maidenhair tree, is a completely unique tree in the world today.
It has no known close relatives, existing within its own class, the Ginkgoopsida (order Ginkgoales, family Ginkgoaceae, genus Ginkgo).
The Ginkgopsida is now usually placed in the division Ginkgophyta.
www.ebroadcast.com.au /lookup/encyclopedia/gi/Ginkgoales.html   (476 words)

  
 Ginkgo - Wikipedia, the free encyclopedia
The Ginkgo (Ginkgo biloba), frequently misspelled as "Gingko", and sometimes known as the Maidenhair Tree, is a unique tree with no close living relatives.
It is classified in its own division, the Ginkgophyta, comprising the single class Ginkgoopsida, order Ginkgoales, family Ginkgoaceae, genus Ginkgo and just the one species.
It is one of the best known examples of a living fossil.
en.wikipedia.org /wiki/Ginkgo   (2206 words)

  
 Introduction to the Ginkgoales
The Ginkgoales are a group of gymnosperms that date back to the Permian.
During the middle Jurassic, the Ginkgoales experienced a great increase in species and reached their maximum diversity during the Cretaceous with several species identifiable in what is now Asia, Europe and North America.
Most images in the Ginkgoales exhibit provided courtesy Virtual Foliage at the University of Wisconsin-La Crosse, and by Nan Crystal Arens.
www.ucmp.berkeley.edu /seedplants/ginkgoales/ginkgo.html   (486 words)

  
 Systematics of the Ginkgoales   (Site not responding. Last check: 2007-10-23)
Still others think that the Ginkgoales belong to a larger group with cycads, Peltaspermum and Callistophytales, variously arranged as a paraphyletic group below the platysperms.
The reason why botanists have this much trouble placing the Ginkgoales is because ginkgoes have reproductive structures similar to that of the cycads and vegetative morphology of the conifers.
Ginkgo seeds : Like cycads, the seeds of Ginkgo are borne on highly modified leaves, whereas the seeds of conifers grow attached to modified branch systems.
www.ucmp.berkeley.edu /seedplants/ginkgoales/ginkgosy.html   (465 words)

  
 Evolution and Ancestors
At least two species of the order Ginkgoales, can be found in
Ginkgoale decreased to one species called gingko adiantoides,
Some say they may have died off due to the ice age.
skurvits.tripod.com /amazingginkgo/id1.html   (445 words)

  
 Ginkgoales
[ Geraniales ] [ Ginkgoales ] [ Glaucidiales ]
Individual specimen entries are published in the sample database supplied with The Compleat Botanica for species or varieties of this supra-generic taxon.
For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
www.crescentbloom.com /plants/Ordo/Ginkgoales.htm   (59 words)

  
 Ginkgoales, Introductions to both Fossil and Recent Plant Taxa, Links for Palaeobotanists
The Museum of Paleontology (UCMP), University of California, Berkeley: Introduction to the Ginkgoales.
Ralph E. Taggart, Department of Botany and Plant Pathology/Department of Geological Sciences at Michigan State University, East Lansing: BOT335 Lecture Schedule.
Alejandro Troncoso (Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Chile) and Rafael Herbst, (PRINGEPA-CONICET, Corrientes, Argentina): Ginkgoales del Triásico del norte de Chile (in Spain).
www.uni-wuerzburg.de /mineralogie/palbot/taxa/ginkgoales.html   (365 words)

  
 GINKGO BILOBA -The Ginkgo Pages- Fossils
Ginkgoales is a group of gymnosperms composed of the family Ginkgoaceae traditionally described as consisting of six “families” and possibly 19 genera, for instance Baiera, Ginkgoites, Ginkgoidium, Ginkgo, Arctobaiera, Sphenobaiera, Windwardia, Trichopitys.
The Ginkgoales are so isolated evolutionarily that efforts to establish its closest extant sister group have remained controversial.
Nevertheless, there is a growing belief, supported by genetic research, that cycads are the most plausible closest living relative (both have flagellated motile sperm and pollen tubes) rather than conifers.
www.xs4all.nl /~kwanten/fossils.htm   (1570 words)

  
 ECOLOGY PHOTOGRAPHIC™ MedicinalPlants-4
Chinese medicine has used the seeds and leaves of the ginkgo tree to treat a variety of ailments...
Antioxidant effects: A great deal of research suggests that antioxidants such as GBE may play i...
Impotency: Another use for ginkgo biloba is in the treatment of impotency.
www.ecology.org /ecophoto/medicine/MedicinalPlants-4.html   (1145 words)

  
 adonline.id.au | plant evolution | the Ginkgoales
The Ginkgoales were once a large group of gymnosperms, now reduced to a single species; Ginkgo biloba.
Ginkgos are sometimes referred to as "maidenhair trees" for their superficial foliar resemblance to the maidenhair fern (Adiantum spp.) and sometimes called "livig fossils" for the close resemblance of Ginkgo biloba to fossilised extinct species.
Compared to the photo of G. biloba, it can be clearly seen how the leaves varied between the Ginkgoales.
www.adonline.id.au /plantevol/ginkgo.htm   (467 words)

  
 Science - Biology - Flora and Fauna - Plantae - Ginkgophyta - Newsletter - News - Reviews - Education - Ratings
Illustrated discussion of the fossil record of ginkgos through the Tertiary.
Fossil Record of the Ginkgoales Ginkgo has a venerable fossil record The genus Ginkgo, represented today by the widely-cultivated Chinese species Ginkgo biloba, has an evolutionary lineage that dates back to the Lower Jurassic, about 190 million years ago.
Introduction to the Ginkgoales This plant is none other than Ginkgo biloba.
www.banner-net.com /Science/Biology/Flora_and_Fauna/Plantae/Ginkgophyta   (250 words)

  
 Vascular Plant Family Nomenclature: Fate of Suprageneric Proposals at the Nomenclature Session
1897) is not to be accepted as "Ginkgoales Tiegh.", because as used by Tieghem the name has a French rather than a Latin termination.
The last example clearly is of concern as may be seen by the Rapporteurs' comments, but the point of adding the example is to make clear that even if the termination seemingly is given correctly, it may not be intended to be a latinized word.
The Rapporteurs' suggest that adoption of this principle would "lead to devalidation of many names of families and orders published in English texts." This would be true if the name is given as "ginkgoales" rather than "Ginkgoales" and there is evidence from the context that the author is using such words as common names.
www.life.umd.edu /emeritus/reveal/pbio/fam/nomrept.html   (2368 words)

  
 IngentaConnect Bennettitales, Cycadales and Ginkgoales from the mid Cretaceous o...   (Site not responding. Last check: 2007-10-23)
IngentaConnect Bennettitales, Cycadales and Ginkgoales from the mid Cretaceous o...
Bennettitales, Cycadales and Ginkgoales from the mid Cretaceous of the Eromanga Basin, Queensland, Australia
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www.ingentaconnect.com /content/ap/cr/1999/00000020/00000005/art00164   (242 words)

  
 Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China -- Wang et al. 92 (4): ...
Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China -- Wang et al.
Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China
Key Words: China • fossil • Ginkgoales • Jurassic • leaf cuticle • Sphenobaiera huangii • ultrastructure
www.amjbot.org /cgi/content/abstract/92/4/709   (272 words)

  
 ginkgo, Ginkgo biloba (Ginkgoales: Ginkgoaceae ) @ IPM Images
ginkgo, Ginkgo biloba (Ginkgoales: Ginkgoaceae) @ IPM Images
Ginkgoopsida > Ginkgoales > Ginkgoaceae > Ginkgo biloba L. 4 records
IPM Images is a joint project of The Bugwood Network and
www.ipmimages.org /browse/subimages.cfm?SUB=3976   (66 words)

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