頁籤選單縮合
題 名 | 臺灣榕榕果形態構造及發育=Studies of the Development and Morphology of Syconium of Ficus Formosana |
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作 者 | 曾麗蓉; 歐辰雄; 呂福原; 曾喜育; | 書刊名 | 林業研究季刊 |
卷 期 | 22:3 2000.09[民89.09] |
頁 次 | 頁55-68 |
分類號 | 373.961 |
關鍵詞 | 臺灣榕; 榕果; 形態; 氣孔斑; 臺灣榕小蜂; Ficus formosana; Syconium; Morphology; Stomatal spots; Blastophaga taiwanensis; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究藉由解剖顯微鏡及掃瞄式電子顯微鏡,觀察臺灣榕(ficus formosana)雌、雄榕果名發育期之形態構造變化。雌、雄榕果在前雌花期至花間期的外部形態相似,僅榕果大小及榕果果壁氣孔斑數量略有差異。榕果內部構造及功能在前雌花期已有明顯分化。雌榕果內有種子花及中性儖,雄榕果內有蟲癭花及雄花。種子花與蟲癭花在柱頭形態、花柱長度有明顯差異,與臺灣榕小蜂(Blastophaga taiwanensis)相互適應形成互利的共生關係。雌、贏榕氣孔斑在花間期達最大的數量及大小,其功能可能為調節榕果內的氣體及水分等。本研究結果認為臺灣榕應歸屬於榕亞屬(Subg. Ficus)無花果節(Sect. Ficus)。 |
英文摘要 | The structure and development of syconia of Ficus formosana were studied by scanning electron microscope and detective microscope. Male and female syconia were similar in morphology between pre-female phase and inter-floral phse, but slightly different in syconium size and the number of stromatal spots. The structure and morphology of flowers in male and female syconia were different obviously. Seeds and neutral flowers were born inside the female syconium. Galls and male flowers were born inside the male syconiu. F. formasana has been coevoluted with Blastophaga tawanenisis in the structure, morphology and developmental span. The size and number of stomatal spots became larger during the inter-floral phase, and this might be helpful for the regulation of gas and water in the syconium. According to the result of this study, we hereby confilm Ficus formosana belongs to section Ficus of subgenus Ficus. |
本系統中英文摘要資訊取自各篇刊載內容。