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| 題 名 | Begonia ×taipeiensis (Begoniaceae), a New Natural Hybrid in Taiwan=臺灣產之新天然雜交種:臺北秋海棠 |
|---|---|
| 作 者 | 彭鏡毅; 蘇倩儀; | 書刊名 | Botanical Bulletin of Academia Sinica |
| 卷 期 | 41:2 2000.04[民89.04] |
| 頁 次 | 頁151-158 |
| 分類號 | 377.2243 |
| 關鍵詞 | 秋海棠; 圓果秋海棠; 水鴉腳; 臺北秋海棠; 雜交種; 天然雜交; 臺灣; 分類學; Begonia; Begonia aptera; Begonia formosana; Begonia ×taipeiensis; Hybrids; Natural hybridization; Taiwan; Taxonomy; |
| 語 文 | 英文(English) |
| 中文摘要 | 本文報導採自臺灣北部的新天然雜交種秋海棠,臺北秋海棠 (Begonia 莰aipeiensis),並提供拉丁文描述、植物繪圖與分布圖。由形態特徵、地理分布、花粉可染度、種子結實率、染色體細胞學觀察以及人工雜交試驗,初步證實臺北秋海棠為水鴨腳 (B. formosana (Hayata) Masam.) 與圓果秋海棠 (B. aptera Blume) 的天然雜交 F1 後裔。雖然臺北秋海棠目前僅發現於臺北縣汐止與烏來海拔約 200 至 500 公尺的山區林道旁濕潤之土坡或岩壁,但其親本植物廣布於臺灣北部山區,且生育地多有重疊,透過更仔細的調查與研究,或將發現更多的臺北秋海棠族群。 |
| 英文摘要 | A new natural hybrid of Begonia, B. ×taipeiensis, from northern Taiwan is described and illustrated. It grows on moist, rocky slopes on forest margins at 200-500 m elevation. Based on a comparison of morphology, geographical distribution, pollen stainability, seed set, cytological observations, and experimental crosses, we conclude that B. ×taipeiensis represents F1 progeny from natural hybridization between B. formosana (Hayata) Masam. [sect. Platycentrum (Klotzsch) A. DC.] and B. aptera Blume [sect. Sphenanthera (Hassk.) Warb.]. |
本系統中英文摘要資訊取自各篇刊載內容。