Tag Archives | Psilotopsida

Psilotum: Distribution and Phylogeny| Botany

In this article we will discuss about:- 1. Distribution of Psilotum 2. Sporophyte of Psilotum 3. Gametophyte 4. Phylogeny. Distribution of Psilotum: Though several species have been reported in Psilotum, all of them usually fall into two well defined species, viz., P. nudum (P. triquertum) and P.flaccidum (P. complanatum). The earlier reports of the existence of several species is probably [...]

By |2016-12-22T15:52:52+00:00December 22, 2016|Pteridophytes|Comments Off on Psilotum: Distribution and Phylogeny| Botany
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Psilotum: Features, Reproduction and Phylogeny

In this article we will discuss about:- 1. Salient Features of Psilotum 2. Reproduction in Psilotum 3. Phylogeny. Salient Features of Psilotum: i. The sporophytes are dichotomously bran­ched with an underground rhizome and upright branches. ii. The upright branches are leafless. iii. Rhizoids present instead of roots. iv. Stem have a relatively simple vascular cylin­der. v. The sporangia are borne [...]

By |2016-08-24T10:16:50+00:00August 24, 2016|Pteridophyta|Comments Off on Psilotum: Features, Reproduction and Phylogeny
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