In this article we will discuss about the anatomy of equisetum with the help of diagrams. Apical growth in rhizome and aerial stems is initiated by a pronounced pyramidal apical cell (Fig. 9. 1E) with three-cutting faces that are directed downwards. The apical cell cuts off cells in a continuous sequence to establish three tissue […]
Anatomy of Equisetum (With Diagram) | Pteridophytes | Botany
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Morphology of Ephedra (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the morphology of ephedra with the help of a suitable diagram. Ephedra, with about 35 species, is a widely distributed xerophytic dioecious plant. Many of its species are highly branched shrubs, switch-plant, and one E. triandra, even approaches the tree form. A common form E. girardiana (Fig. 17.1 […]
Reproduction in Gnetum (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the process of reproduction in gnetum with the help of diagrams. Gnetum is dioecious, the fructifications are axillary (Fig. 18.1 A). The cones are lax to compact strobili. Microsporangiate fructification (Fig. 18.2A) has short internodes and number of reduced and modified bracts which form a complete cup or […]