liverwort(redirected from Liverworts)
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liverwort,any plant of the class Marchantiopsida. Mosses and liverworts together comprise the division BryophytaBryophyta
, division of green land plants that includes the mosses (class Bryopsida), the liverworts (Marchantiopsida), and the hornworts (Anthocerotopsida). The liverworts and hornworts are generally inconspicuous plants; common liverworts include species of the genera
..... Click the link for more information. , primitive green land plants (see mossmoss,
any species of the class Bryopsida, in which the liverworts are sometimes included. Mosses and liverworts together comprise the division Bryophyta, the first green land plants to develop in the process of evolution.
..... Click the link for more information. ; plantplant,
any organism of the plant kingdom, as opposed to one of the animal kingdom or of the kingdoms Fungi, Protista, or Monera in the five-kingdom system of classification.
..... Click the link for more information. ); some of the earliest land plants resembled modern liverworts. In contrast to mosses, most liverworts grow prostrate and consist of a flattened, branching (but undifferentiated) green structure, the thallus; other liverworts produce leafy stems, which are flattened and usually prostrate. The ancients believed that liverworts could cure diseases of the liver, hence the name. They are also called hepatics, and the unrelated flowering plant hepaticahepatica
any plant of the genus Hepatica of the family Ranunculaceae (buttercup family), low, woodland, spring wildflowers of the north temperate zone, popular for wild gardens.
..... Click the link for more information. is frequently called liverwort. Liverworts are classified in the division Bryophyta, class Marchantiopsida.
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The common name for members of the Marchantiatae.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
any bryophyte plant of the phylum Hepatophyta, growing in wet places and resembling green seaweeds or leafy mosses
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005