In this article we will discuss about the anatomy of marchantia with the help of a suitable diagram. Internally, in a cross-section (Fig. 2.7A, B) the thallus is made up of two zones; upper assimilatory and lower storage zone. The assimilatory zone is narrow, it is made up of a single layer of air chambers which enclose assimilatory filaments. Each [...]
In this article we will discuss about the asexual and sexual modes of reproduction in marchantia with the help of diagrams. Asexual Reproduction in Marchantia: Asexual propagules - gemmae - occur in a gemma-cup (Fig. 2.6A). On the floor of the cup are seen numerous mucilage papillae and many biconvex discoid gemmae (Fig. 2.7E). A gemma (Fig. 2.7F) is borne [...]
In this article we will discuss about the morphology of marchantia with the help of diagrams. This is a cosmopolitan genus with about 65 species, of which M. polymorpha is the best known and most widely distributed. In India, it has about eleven species, distributed all over the Himalayan region; eastern Himalayan region, in particular, supports the luxuriant growth of [...]