In this article we will discuss about the anatomy of gnetum with the help of a suitable diagram. The root of Gnetum has diarch xylem, the endodermis bounds the multi-layered pericycle. The cortex of parenchymatous cells is filled with starch; the thick-walled fibres are also common in cortex. Tracheids have uni-seriate, bordered pits with conspicuous […]
Anatomy of 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. […]