Hepaticae(redirected from Marchantiophyta)
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Hepaticaea class of the BRYOPHYTA, a division that contains the liverworts. Liverworts are found in damp and wet conditions and vary in form from species that have a fleshy THALLUS up to 1 cm wide to others (leafy liverworts) which are very MOSS-like. Reproduction in liverworts may be vegetative, by means of GEMMAE, or sexual, ANTHERIDIA and ARCHEGONIA being present. The male gametes are motile and fertilization results in the development of a capsule containing diploid spore-mother cells. Each spore-mother cell carries out meiosis and produces haploid spores that may develop into a PROTONEMA, which in turn gives rise to the new haploid adult gametophyte.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005