Gymnosperm vs Pteridophyte - What's the difference?
gymnosperm | pteridophyte |
(botany) Any plant such as a conifer whose seeds are not enclosed in an ovary.
Any plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than seeds and that alternate generations of diploid (sporophyte) and haploid (gametophyte or prothallus) forms, the diploid generally being larger and more conspicuous.
* 1989', Douglas E. Soltis, Pamela S. Soltis, ''Chapter 12: Polyploidy, Breeding Systems, and Genetic Differentiation in Homosporous '''Pteridophytes'' , Douglas E. Soltis, Pamela S. Soltis (editors), ''Isozymes in Plant Biology ,
* 1990 , A. C. Jermy, Conservation of Ppteridophytes'', K.U. Kramer, Klaus Kubitzki, P.S. Green, ''Pteridophytes and Gymnosperms ,
* 2004 , Pooja, Pteridophyta ,
As nouns the difference between gymnosperm and pteridophyte
is that gymnosperm is (botany) any plant such as a conifer whose seeds are not enclosed in an ovary while pteridophyte is any plant of the division pteridophyta, of simple vascular plants that reproduce via spores rather than seeds and that alternate generations of diploid (sporophyte) and haploid (gametophyte or prothallus) forms, the diploid generally being larger and more conspicuous.gymnosperm
English
Noun
(wikipedia gymnosperm) (en noun)Hyponyms
* (plant with seed not in ovary) conifers, cycads, Ginkgo , GnetalesDerived terms
* gymnospermouspteridophyte
English
(wikipedia pteridophyte)Noun
(en noun)- Ferns, lycopods, and scouring rushes are all pteridophytes .
page 241,
- Most pteridophytes are homosporous, producing one type of spore that germinates to produce a potentially bisexual gametophyte.
page 14,
- Pteridophytes' have evolved to fill almost every ecological niche but the greatest species diversity is clearly found in the tropical rainforest. The rapid disappearance of this biome throughout the world with many of their ' pteridophyte species yet undiscovered, let alone described, is of great concern.
page 13,
- Pteridophytes' are known from as far back as the Silurian, or some 380 million years ago. During the Silurian and the immediately succeeding ''Lower Devonian'' there were a considerable number of psilophytes of much simpler construction than any other known type of ' pteridophyte .
