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Notes on Commelinaceae of Taiwan: Cyanotis and Belosynapsis, and the Rediscovery of Murdannia edulis

台灣鴨跖草科分類札記:假紫萬年青屬、鴨舌疝屬及葶花水竹葉

摘要


本文進行台灣產鴨跖草科假紫萬年青屬(二種)及鴨舌疝屬(二種)之分類訂正,成立一個新組合- Belosynapsis kawakamii C.-I Peng & Y.-J. Chen,並報導稀有植物葶花水竹葉自從日據時代(1930)以後在南台灣之再發現。除分類處理外,並提供以上五種植物之繪圖及在台灣之分布圖。本文另首次報導台灣產葶花水竹葉之染色體數為n = 21,此與印度學者之報導(n = 9)迥然不同。

並列摘要


In this report we provide a taxonomic revision of Cyanotis (two species) and Belosynapsis (two species) in Taiwan. A new combination, Belosynapsis kawakamii, is made. We also document the rediscovery of Murdannia edulis, which has not been collected for more than half a century on this island. A taxonomic treatment as well as line drawings of all five species are provided to aid in identification. A meiotic chromosome count of n = 21 is reported for M. edulis from Taiwan for the first time.

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