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頁籤選單縮合
題 名 | 臺灣產牛皮消屬植物花粉器形態之研究=Pollinaria Morphology of Cynanchum L. (Asclepiadaceae) in Taiwan |
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作 者 | 張彥華; 曾喜育; 曾彥學; | 書刊名 | 林業研究季刊 |
卷 期 | 34:4 2012.12[民101.12] |
頁 次 | 頁251-262 |
分類號 | 373.755 |
關鍵詞 | 蘿藦科; 牛皮消屬; 花粉器形態; 植物分類; Asclepiadaceae; Cynanchum; Pollinaria morphology; Plant taxonomy; |
語 文 | 中文(Chinese) |
中文摘要 | 花粉器 (pollinaria) 為傳播花粉的構造,僅見於杠柳科 (Periplocaceae)、蘿藦科(Asclepiadaceae) 及蘭科 (Orchidacaeae) 植物中。蘿藦科植物花粉器主要為1枚著粉腺 (corpusculum)、2枚花粉塊柄 (retinacula) 及2枚花粉塊 (pollinia)等所組成。本研究利用掃描式電子顯微鏡對臺灣產蘿藦科牛皮消屬 (Cynanchum L.) 5個分類群之花粉器形態進行觀察與比較。結果顯示,著粉線有菱狀橢圓形和長橢圓形2型,花粉塊柄有近方形和三角形2型,花粉塊有寬球形、長球形和超長球形3型。本屬植物的花粉器各部位之特徵在不同分類群間有所差異,且特徵在各分類群內具穩定的形態構造,可供本屬外觀形態相近的分類群做區分。 |
英文摘要 | Pollinaria, only found in Periplocaceae, Asclepiadaceae and Orchidacaeae, is a structure forpollen disperse. In Asclepiadaceae which compose of 1 corpusculum, 2 retinacula and 2 pollinia. In thisstudy, pollinaria morphology of Cynanchum L.(Asclepiadaceae) in Taiwan was observed and comparedby scanning electron microscope. The results indicated that 2 types of rhomboided-ellipse and oblong in corpusculum; 2 types of retinaculum of square and triangle; 3 types of pollinia of broadly spheroidal, prolateand perprolate were observed. The pollinaria characters of Cynanchum L. show obvious difference betweentaxa and could be a good evidence for the identification of this genus, even Asclepiadaceae of Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。