Essays, Research Papers and Articles on Agriculture in India
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In this article we will discuss about the morphology of psilotum with the help of a suitable diagram. Also learn about its phylogenetic position. Two species of Psilotum recognized are P. nudum and P. flaccidum (P. complanatum). Of these P. flaccidum is a pendulous epiphyte, rare in distribution; restricted to Jamaica, Mexico, Hawaii and a […]
in this article we will discuss about the modes of reproduction in psilotum with the help of diagrams. Stout aerial branches bear large conspicuous sporangia (Fig. 7.1 A). Each sporangium is a 3-lobed structure (Fig. 7. 1B, C). It is borne on a forked appendage. It has been described as: (a) Trilocular sporangium (b) Trisporangiate […]
In this article we will discuss about the anatomy of psilotum with the help of a suitable diagram. Growth of rhizome and aerial branches takes place by divisions of a single apical cell. During dichotomy it divides equally, forming two apical cells which result in two meristems. Internal structure of rhizome varies with its diameter. […]