The new genus Yonagunia Kawaguchi et Masuda (Halymeniaceae, Rhodophyta), based on Y. Tenuifolia Kawaguchi et Masuda sp. nov. from southern Japan and including Y. Formosana (Okamura) Kawaguchi et Masuda comb. nov. from Southeast Asia
作者： Shigeo Kawaguchi , Satoshi Shimada , Hong Wei Wang , Michio Masuda
DOI: 10.1046/J.1529-8817.2004.03077.X
关键词:
摘要: Yonagunia Kawaguchi et Masuda, gen. nov. (Halymeniaceae, Rhodophyta) is proposed to accommodate a new species, tenuifolia Masuda and the species currently known as Prionitis formosana (Okamura) Nguyen. Based on auxiliary cell ampullar features, included in group of genera with simplest type ampulla (the Grateloupia type) that comprises Dermocorynus, Grateloupia, Kintokiocolax, Phyllymenia, Zymurgia. However, differs from these behavior cells filaments immediately after diploidization, most primary secondary simultaneously dividing form grape-like clusters small globular subsequently elongate produce involucral laxly surround maturing carposporophyte. resolved by our rbcL gene sequence analyses one five monophyletic clades within Halymeniaceae (an Aeodes/Pachymenia, Polyopes, Carpopertis/Cryptonemia/Halymenia, Yonagunia, clade) positioned sister clade. Carpogonial branch apparatuses are identified potential taxonomic significance same level ampullae.
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