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Topic: Spermatophyte


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In the News (Fri 14 Jun 19)

  
  Spermatophyte   (Site not responding. Last check: 2007-11-05)
The spermatophytes (Also called seed plants or Phanerogam) comprise those plants that reproduces by means of seeds not spores.
Spermatophyte have a reproductive cycle which develops pollen that results in seeds containing the embryo of a new plant.
Spermatophytes are included in the embryophytes or land plants, which also includes various groups that reproduce by spores, such as mosses, liverworts, hornworts, and ferns.
cactus-art.biz /note-book/Dictionary/Dictionary_S/dictionary_spermatophyte.htm   (104 words)

  
 [No title]
As there has been no justification for their actions, and as both Dr. Werner Greuter had copies of my complete database providing justifications as to why each name was considered correct, there was no reason for anyone to claim ignorance insofar as not having access to the basic information.
As I understand it, although the disagreement is still not fully resolved, the Spermatophyte Committee is considering the proposals at the present time.
Therefore, I ask that the members of the Spermatophyte Committee be keenly aware that there may be reasons other than those given by me for a specific rejection.
www.life.umd.edu /emeritus/reveal/pbio/fam/SGCOMM1.html   (5234 words)

  
 intro.htm
Most spermatophyte family treatments were contributed by J. Francis Macbride in Volume 13, with a series of parts and numbers.
The exceptions to this in the Spermatophytes are the families Orchidaceae in Volumes 30 and 33 and the Asteraceae, published by tribe in the New Series.
The index for Spermatophytes was adapted from that by Douglas C. Daly, [Brittonia 32(4): 1980, pp.
www.sacha.org /pubs/intro.html   (460 words)

  
 DR. LAWSON'S BIO2313_OBJECTIVES_8
Among the spermatophyte plants, what are the advantages and disadvantages of sexual and asexual reproduction?
On separate paper, sketch the basic alternation of generations sexual life cycle practiced by the spermatophyte plants.
Show appropriate stages in both the gametophyte and sporophyte generations; chromosomal conditions of included stages; where meiotic cell division occurs in the cycle; where mitotic divisions occur in the cycle; and identify both sporophyte and gametophyte parental stages.
www.colin.edu /science/DL_FOLDER/BIO2313_T8_OBJ-DL.htm   (722 words)

  
 Introduction to the Seed Plants   (Site not responding. Last check: 2007-11-05)
The spermatophytes, which means "seed plants", are some of the most important organisms on Earth.
Life on land as we know it is shaped largely by the activities of seed plants.
The other major group of seed-plants are the flowering plants, including plants whose flowers are showy, but also many plants with reduced flowers, such as the oaks, grasses, and palms.
www.ucmp.berkeley.edu /seedplants/seedplants.html   (164 words)

  
 The Nature Conservancy in China - Northern Gaoligong Mountain Range
Because of its abundant precipitation, appropriate microclimate, and huge elevation span, the Northern Gaoligong Mountain Range project area has been identified as an unusual miniature museum of biodiversity.
It is roughly estimated that some 3,500 species of plant, including spermatophyte, fern and macro-fungi occur in the resort of intact old-growth forest.
Specifically, the Gongshan project area is home to about 55 endangered or rare seed plants and a total of 318 plant species found nowhere else on Earth.
www.nature.org /wherewework/asiapacific/china/work/art13268.html   (519 words)

  
 Checklist of the Plants of the Guiana Shield   (Site not responding. Last check: 2007-11-05)
The Checklist of the Plants of the Guiana Shield, is in progressing with the combination of this list with the plants treated in the Flora of the Venezuelan Guayana.
Currently a preliminary combined list of spermatophyte families from Acanthaceae through Lythraceae has been published.
A simple, updated web version of all plant families in the combined list and this list is offered in advance of a planned searchable database.
www.mnh.si.edu /biodiversity/bdg/checklst.html   (155 words)

  
 Anatomically preserved Cycadeoidea (Cycadeoidaceae), with a reevaluation of systematic characters for the seed cones of ...   (Site not responding. Last check: 2007-11-05)
Rothwell G. Mapes R. Mapes 1996 Anatomically preserved vojnovskyalean seed plants in Upper Pennsylvanian (Stephanian) marine shales of North America.
Rothwell G. Serbet 1994 Lignophyte phylogeny and the evolution of spermatophytes.
Rothwell G. Stockey 2001 Anatomically preserved cycadeoid cones from the Cretaceous of Vancouver and Hornby Islands.
www.amjbot.org /cgi/content/full/89/9/1447   (5687 words)

  
 PCA: Planting Foundations Vol. I Issue 1
Excerpted from a description by Roger Smith, "MSB is a collaborative international effort initiated by the Royal Botanic Gardens, Kew.
It seeks to collect and conserve seeds of 10% of the world's spermatophyte flora by the year 2010.
The necessary seed research will also be conducted to ensure the overwhelming majority of the banked species will survive for at least 200 years and can be germinated at will.
www.nps.gov /plants/newslet/npciv1i1.htm   (2274 words)

  
 Spermatophyte - Kojiu.com   (Site not responding. Last check: 2007-11-05)
spermatophyte agriculture community corn wheat cotton soybeans hay forages small grains dairy hogs sheep goats misc other machinery rural life sorghum rice tillage conservation poultry peanuts farm business production
Spermatophyte The spermatophytes (also known as phanerogams) comprise those plants that produce
Spermatophyte - Agriculture Community Corn, Wheat,Cotton, Soybeans, Hay/Forages, Small Grains, Dairy, Hogs, Sheep/Goats, Misc/Other, Machinery, Rural Life, Sorghum, Rice, Tillage, Conservation, Poultry, Peanuts, Farm Business, Production
agriculture.us.kojiu.com /post/101524/spermatophyte.html   (124 words)

  
 plantquesh   (Site not responding. Last check: 2007-11-05)
What do these plants use that allow them to reproduce without water?
15) What type of spermatophyte produces pollen and eggs in cones?
What are most of these plants commonly called?(2 names) What gymnosperm loses its broad leaves in the fall?
www.haverhill-ma.com /hhs/willets/plantquesh.html   (353 words)

  
 NYBG.org: José Eduardo De la Torre Profile   (Site not responding. Last check: 2007-11-05)
With the help of various bioinformatic tools (e.g.
Vicogenta: Katari, 2002; P-Gnome: Sarkar et al., 2002), I plan to use common seed plant sequences in concatenation to generate phylogenetic hypotheses that, together, may provide new and useful insights into Spermatophyte phylogeny.
Phylogenomics approaches are also being attempted as a way to infer orthology and protein domain evolution.
sciweb.nybg.org /science2/Profile_51.asp   (300 words)

  
 Plant genome values: How much do we know? -- Bennett 95 (5): 2011 -- Proceedings of the National Academy of Sciences   (Site not responding. Last check: 2007-11-05)
conserve the seed of almost all of the U.K. spermatophyte flora
world spermatophyte flora principally from the drylands by 2009,
to collect and conserve seed of an additional 10% of the world's spermatophyte flora principally from the drylands by 2010;
www.pnas.org /cgi/content/full/95/5/2011   (4206 words)

  
 Journals toc 06-17-05   (Site not responding. Last check: 2007-11-05)
Cheng: Research background and progress of seed ultradry storage technology
Wang: A preliminary study on floristics of spermatophyte from
Xu: A study on relationship between the distribution pattern of
www.plantbio.cornell.edu /library/journalstoc07-21-05.html   (283 words)

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