In this article we will discuss about the morphology of funaria with the help of a suitable diagram. A common moss, Funaria is widely distributed in temperate as well as tropical regions of the world. One of its species F. hygrometrica, is cosmopolitan and best known. It is a terrestrial plant growing in close tufts […]
Morphology of Funaria (With Diagram) | Bryophytes | Botany
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Origin of Seed in Selaginella | Pteridophytes | Botany
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In this article we will discuss about the origin of seed in selaginella. An evolutionary sequence of origin of seed from homosporous form should involve: (a) Production of two kinds of spores, (b) Reduction in the number of functional megaspores, (c) Final reduction to a single megaspore in the sporangium, (d) Retention of megaspore within […]
Anatomy of Pinus (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the anatomy of pinus with the help of diagrams. Anatomy of Needle: The solitary needle of P. monophylla (Fig. 16.3A) is circular. This is semicircular in the two-needle pine (P. merkusii), and triangular in the three-needle pine (P. roxburghii) (Fig. 16.3B). The epidermis is of isodiametric lignified cells […]