In this article we will discuss about the process of reproduction and development in ephedra with the help of diagrams. Reproduction in Ephedra: In dioecious Ephedra, male and female cones are borne in the axils of determinate shoots. These may be solitary but most are arranged as dichasial cymes. Male cone of E.foliata consists of a central axis and about [...]
Here is a compilation of essays on 'Gymnosperms’ for class 8, 9, 10, 11 and 12. Find paragraphs, long and short essays on 'Gymnosperms' especially written for school and college students. Essay on Gymnosperms Essay Contents: Essay on the Introduction to Gymnosperms Essay on the Plant Body of Gymnosperms Essay on the Classification of Gymnosperms Essay on the Life Cycle [...]
In this article we will discuss about the process of reproduction in Cycas with the help of diagrams. Cycas is dioecious; but the male and female plants are indistinguishable until the appearance of male or female cone. The sex of individual plant is described to be determined by X- and Y-chromosomes. Male cone (Fig. 15.6A) is terminal, singly, on the [...]