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題 名 | Calcium Crystals in the Leaves of Some Species of Moraceae=桑科植物葉部的鈣結晶體 |
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作 者 | 吳啟智; 黃玲瓏; | 書刊名 | Botanical Bulletin of Academia Sinica |
卷 期 | 38:2 1997.04[民86.04] |
頁 次 | 頁97-104 |
分類號 | 373.96 |
關鍵詞 | 草酸鈣結晶體; 碳酸鈣晶體; 桑科; Calcium oxalate crystals; Calcium carbonate crystals; Moraceae; |
語 文 | 英文(English) |
英文摘要 | 本文是以桑科(Moraceae)植物為材料,觀察各屬植物體內鈣結晶體的種類、形態 及分佈,並比較其異同。於觀察的八屬九種植物葉片中,均發現鈣結晶體。依草酸鈣及碳酸 鈣晶體的有無,可將此九種植物區分為三種類型:(a) 僅具草酸鈣晶體,包括麵包樹、臺灣 柘樹;(b) 僅具碳酸鈣體晶,包括細齒水蛇麻、葎草;(c) 兼具草酸鈣及碳酸鈣晶體,包括 構樹,島榕、印度橡膠樹、盤龍木及小葉桑。草酸鈣晶體主要為晶簇形及多面體形,晶簇形 晶體分佈於葉肉組織和維管束組織的結晶細胞內,而多面體形晶體則僅局限於維管束組織的 結晶細胞中。碳酸鈣晶體形成鐘乳狀晶體,位於表皮的石胞內。石胞形態和葉部表皮的層數 有關:具多層表皮者,石胞為乳頭狀;若為單層表皮,則石胞為毛狀。 ns, and Morus australis. The calcium oxalate crystals were mainly found as druses or prismatic crystals. Druses were located in the crystal cells of both mesophyll and bundle sheath, but prismatic crystals were found only in cells of the bundle sheath. All calcium carbonate cystoliths were located in the epidermal lithocysts, and the types lithocysts were related to the number of epidermal layers, i.e. hair-like lithocysts in uniseriate epidermis and papillate lithocysts in multiseriate epidermis. |
本系統中英文摘要資訊取自各篇刊載內容。