Classification of Gymnosperms PPT: Classification of Gymnosperms by KR Sporne, Class Cycadopsida, Coniferopsida and Genetopsida, Pteridospermales, Bennettitales, Pentoxylales, Cycadales, Cordaitales, Coniferales, Taxales, Ginkgoales, Gnetales. Characteristics […]
Affinities of Gymnosperms PPT: Affinities of Gymnosperms, Similarities between Gymnosperms and Pteridophytes, Difference between Gymnosperms and Pteridophytes, Similarities between Gymnosperms and Angiosperms, Difference between Gymnosperms […]
There are many systems of classifications for Gymnosperms in the literature. In the previous post, we discussed the Chamberlain’s System of Classification of Gymnosperms. In […]
Gymnosperms vs Angiosperms Gymnosperms and Angiosperms are two major groups of Seed Plants (Cryptogams). In the previous post, we discussed the General Characters and Affinities […]
Learning objectives: Evolutionary relationships and affinities of Gymnosperms with Pteridophytes and Angiosperms; Similarities and Differences between Pteridophytes and Gymnosperms; Similarities and Differences between Gymnosperms and […]
The Gymnosperms are with high economic importance to mankind. For easy understanding, the economic importance of Gymnosperms can be categorized in the following heads: Economic […]
What are Caytoniales? Ø Caytoniales were a small group of extinct Gymnospermic plants. Ø First described by Hamshaw Thomas in 1925 from the late Triassic […]
Glossopteridales and Glossopteris Ø Glossopteridales included an extinct group of seed plants (Gymnosperms). Ø They were originated during the Permian period on the Gondwana Continent. […]
Pteridospermales PPT: What are Pteridospermales or Cycadofilicales? Geological Horizon / Origin of Pteridospermales, Who Discovered Pteridospermales? What are the Characteristics of Pteridospermales, Morphology of Pteridospermales, […]