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題 名 | 臺灣省產藤亞科藤材微細構造之研究(2):臺灣水藤之微細構造 |
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作 者 | 蔡如藩; | 書刊名 | 國立屏東技術學院學報 |
卷 期 | 2 1993.06[民82.06] |
頁 次 | 頁92-110 |
分類號 | 436.183 |
關鍵詞 | 臺灣水藤; 纖維鞘; 維管束; 纖維冠; 早成靭皮部; 晚成靭皮部; 早成木質部; 晚成木質部; Taiwan rattan palm; Fibersheath; Vascular bundle; Fiberous cap; Protophloem; Metaphloem; Protoxylem; Metaxylem; |
語 文 | 中文(Chinese) |
中文摘要 | 台灣水藤屬棕櫚科、藤亞科、水藤屬是台灣省產三稱藤材(台灣水藤、 台灣黃藤、及蘭嶼水藤)的一種。本研究是利用Bausch & Lomb Ltd. Nanolab 2100 掃描電子顯微鏡觀察台灣水藤的微細構造,得結果如下,台灣水藤具散生中心 柱。僅有一層表皮細胞,其臘質層極薄,但角質層頗厚。皮層較台灣黃藤者略寬。 纖維鞘略呈連續型,有時為基本組織的柔壁細胞分隔。維管束散生,近藤皮者體 積小,排列密,構造不完整,向藤心者體積逐漸增大,排列較疏,構造亦較完整, 除早成韌皮部不易看到(偶爾可見)外,其他如晚成韌皮部,早成木質部、及晚成 木質部均易看到。晚成韌皮部的纖維冠多為彎月形,其纖維的次生細胞壁多為三 層,各層之厚度差異非常明顯,以中層最厚,外層薄,內屑最薄。早成木質部的 導管具梯形穿孔板,穿孔板中的隔條寬窄相似(台灣黃藤者,寬窄相間),導管的 初生壁很薄,其上有環狀加厚、螺紋加厚、梯形加厚、或網狀加厚。基本組織的 柔壁細胞形狀變化較台灣黃藤者小,多為短柱狀,或顆粒狀,細胞腔中偶爾可以 看到葡萄狀簇晶體,及圓粒狀內含物,柔壁細胞間隙中有時可見菊花狀簇晶體, 基本組織中偶爾可見分泌溝及其溝鞘細胞。 |
英文摘要 | Taiwan rattan palm (Calamus formosanus Becc.) belongs to Calamus of Lepidocaryoideae ofPalmae, It is one of the three species ( C. formosanus Becc., C. onentalis chang, and C.sipbonospatbus Mart. var. Sublavis Becc.) growing in Taiwan. In this study, the microstructure of Taiwan rattan palm was observed with Bauch & LombLtd. Nanolab 2100 SEM in 1989, and the following conclusion can be drawn. 1.The stem has an atactostele. 2.The epidermis consists of a single layer of cells, with an inconspicuous wax layer and athicker conspicuous cuticular layer. 3.1ts cortex is broader than the cortex of yellow rattan palm Calamus onentalis Chang). 4.The fiberous sheath belongs to continuous type, but it is occasionally interrupted by the cellsof the ground tissue. 5.The vascular bundles are scattered throughout the ground tissue. They are usually consistedof an obliterated or inconspicuous protophloem (occasionally may be seen), a metaphloem,protoxylem, and metaxylem. 6.The secondory wall of fibers of fiberous cap consists of three layers which are prominentdifferent in the thickness, the central layer is very thick, the outer layer is very thin, but the innerlayer appears to be thinner than the outer layer. Some concave marks occasionally appear in a file on the surface of some fibers and there isone grape-like druse in some concave marks. 7.The bars of scalariform perforation plate in the protoxylem vessels are uniform in width,but in yellow rattan palm the wide bars and narrow bars alternate each other. 8-The cells of ground tissue show a less variation in shape, size, arrangement, and containingcrystal than yellow rattan palm. The grape-like druses and grain-like inclusional materials areoccasionally present in the cells of ground tissue, and the chrysanthemum-like druses areoccasionally present in the intercellular spaces of ground tissue, and the secretory canals with itscanal sheath are sometimes present among the cells of ground tissue. |
本系統中英文摘要資訊取自各篇刊載內容。