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 […]
Reproduction in Gnetum (With Diagram) | Gymnosperms | Botany
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Morphology of Gnetum (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the morphology of gnetum with the help of a suitable diagram. In its morphology, Gnetum (Fig. 18.1 A) is closer in similarity to an angiosperm (dicot) than a gymnosperm. G. ula is a woody climber. It exhibits two types of branches, of limited growth (short shoots) and unlimited […]
Anatomy of Ephedra (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the anatomy of ephedra with the help of a suitable diagram. The stem in its outline is wavy due to the presence of ridges and furrows (Fig. 17.2A). The epidermal cells are highly cuticularized, save for regions of furrow which have sunken stomata within a stomatal cavity (Fig. […]