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理學院
生命科學專業學院—生命科學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73908
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search.filters.author.Hung-Hsin Chen
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search.filters.author.陳宏信
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search.filters.subject.當歸屬
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search.filters.subject.分類
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search.filters.subject.繖形科
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2007
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台灣產當歸屬植物之分類研究
(
2007
)
陳宏信
;
Hung-Hsin Chen
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本研究利用外部形態、花粉形態、細胞學及地理分佈等資料,針對臺灣產繖形科(Apiaceae)當歸屬(Angelica L.)植物進行分類研究。研究結果顯示在外部形態上植株毛被物類型、小苞片形狀、花藥顏色及果實形態是種間較重要的區別特徵,而小葉形態、小葉質地、小葉葉脈及萼齒形狀也可提供部份分類之參考。此外,各分類群在地理及海拔分佈上的差異,亦可作為分類的參考。 根據研究結果,將臺灣產當歸屬植物處理為七個分類群,包括一新種阿禮當歸(A. aleensis)及一新紀錄種毛當歸(A. pubescens)。此外,將原先根據小葉大小及其上被毛程度區分之南湖當歸(A. morrisonicola var. nanhutashanensis)併入玉山當歸(A. morrisonicola);臺灣當歸(A. taiwaniana)與森氏當歸(A. morii)僅在小葉形態上有差異,而將其合併。
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