Lexic.us

Definition of Gnetales

1. Noun. Chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms.

Lexicographical Neighbors of Gnetales

Literary usage of Gnetales

Below you will find example usage of this term as found in modern and/or classical literature:

1. Botanical Gazette by University of Chicago, JSTOR (Organization) (1918)
"INDEPENDENT EVOLUTION OF VESSELS IN gnetales AND ANGIOSPERMS WP THOMPSON (WITH ELEVEN FIGURES) The possession of vessels by both angiosperms and gnetales is ..."

2. An Introduction to the Study of Fossils (plants and Animals) by Hervey Woodburn Shimer (1914)
"ORDER F, gnetales This group of small trees or shrubs consists of three living genera, ... What are the gnetales? 2. What fossil record have they ? ..."

3. The Anatomy of Woody Plants by Edward Charles Jeffrey (1917)
"The gnetales are represented in the existing flora of our earth by three genera. Of these the genus Ephedra occurs throughout the Northern Hemisphere, ..."

4. Morphology of Angiosperms: (Morphology of Spermatophytes. Part II) by John Merle Coulter, Charles Joseph Chamberlain (1903)
"gnetales This group is generally regarded as the highest of the Gym- ... The gnetales on the anatomical side show indubitable evidence of ..."

5. Morphology of Spermatophytes by John Merle Coulter, Charles Joseph Chamberlain (1901)
"gnetales Ephedra (30 spp.) occurs in the arid regions of Mediter-' .. ranean Europe and adjacent Asia, as well as of America, in tropical, subtropical, ..."

6. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"The structure of the female gametophyte in gnetales is of great interest, for there is an evident approach to- FIG. 52? ..."

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