In this article we will discuss about Cycadales. After reading this article you will learn about: 1. Meaning of Cycadales 2. General Characters of Cycadales 3. Genera 4. Phylogency. Meaning of Cycadales: Cycadales, consisting of 11 living genera and more than 100 species, are distributed in both tropical and warm temperate regions of the world They appeared first in Upper [...]
The below mentioned article provides short notes on Family Nilssoniaceae of Cycadales. All reported members of this family of Cycadales are fossils. Its seed-bearing organs have been described as belonging to genus Beania while its leaves have been described under two fossil genera viz. Nilssonia and Pseudoctenis.The pollen-bearing organs of Nilssoniaceae are described as Androstrobus. Beania, a fossil cycad, is [...]
In this article we will discuss about Cycadaceae. After reading this article you will learn about: 1. Distribution of Cycadaceae 2. External Features of Cycadaceae 3. Stem Anatomy 4. Leaf and Root Anatomy 5. Reproductive Structure 6. Embryogeny 7. Seed Formation and Germination 8. Economic Importance. Contents: Distribution of Cycadaceae External Features of Cycadaceae Stem Anatomy of Cycadaceae Leaf and [...]