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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Marchantia ： ウィキペディア英語版 Marchantia ''Marchantia'' is a genus in the family Marchantiaceae of the order Marchantiales, a group of liverworts. These are simple plants without roots or vascular systems. They were once considered related to mosses and part of division Bryophyta, but more recently have been assigned their own plant division, Marchantiophyta. The ''Marchantia'' thallus shows differentiation into two layers: an upper photosynthetic or assimilatory region and a lower storage region with a well-defined upper epidermis with air channels (barrel-shaped). The thallus features tiny cup-like structures called ''gemma cups'', which are used for asexual reproduction. Multicellular purple colored scales and unicellular rhizoids are present on the ventral surface of the thallus. Antheridia and archegonia are present on special erect gametophores called antheridiophores and archegoniophores, respectively. These are borne on separate thalli; hence, the plant is heterothallic. == Species == * ''Marchantia alpestris'' * ''Marchantia aquatica'' * ''Marchantia berteroana'' * ''Marchantia carrii'' * ''Marchantia chenopoda'' * ''Marchantia debilis'' * ''Marchantia domingenis'' * ''Marchantia emarginata'' * ''Marchantia foliacia'' * ''Marchantia grossibarba'' * ''Marchantia inflexa'' * ''Marchantia linearis'' * ''Marchantia macropora'' * ''Marchantia novoguineensis'' * ''Marchantia paleacea'' * ''Marchantia palmata'' * ''Marchantia papillata'' * ''Marchantia pappeana'' * ''Marchantia polymorpha'' (also as ''M. aquatica'') * ''Marchantia rubribarba'' * ''Marchantia solomonensis'' * ''Marchantia streimannii'' * ''Marchantia subgeminata'' * ''Marchantia vitiensis'' * ''Marchantia wallisii'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Marchantia」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.