Anomalous Secondary Grwoth in Boerhaavia Stem
Boerhavia diffusa, commonly known as ‘punarnava’ (meaning that rejuvenates the body) is a highly medicinal plant belongs to the family Nyctaginaceae. It is a prostrate […]
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Difference between Normal Root and Coralloid Root in Cycas
Cycas- Normal vs Coralloid Root Cycas is a Gymnosperm coming under the Class Cycadopsida and Order Cycadales. Cycas plants have TWO types of Roots – […]
Difference between Gymnosperms and Angiosperms
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 […]
Affinities of Gymnosperms with Pteridophytes and Angiosperms
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 […]
Caytoniales General Characteristics
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- General Characteristics
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 (Cycadofilicales) Characters, Classification and Affinities
Cycadofilicales / Pteridospermales Ø Pteridospermales are a group of Fossil Gymnosperms. Ø They are also called as Cycadofilicales (Chamberlain used the term). Ø As the […]
Difference between Pteridophytes and Gymnosperms
Pteridophytes vs Gymnosperms Pteridophytes Pteridophytes are a group of primitive land plants belongs to Cryptogams. They are the first plant group with vascular tissue for […]
Classification of Gymnosperms by Chamberlain PPT
Classification of Gymnosperms by Chamberlain: Classification of Gymnosperms, Outline of the history of Classification of Gymnosperms, Chamberlain System of Classification of Gymnosperms, Class Cycadophyt and […]