クスノキ科植物の内部構造に関する基礎的研究 第1報 : Cinnemomum burmanni BL., C. cassia PRESL, C. zeylanicum BL. およびC. iners REINW. ex BL. の樹皮について

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  • Studies on the inner morphology of Lauraceae 1. : 0n the bark of Cinnamomum burmanni BL., C. cassia PRESL, C. zeylanicum BL. and C. iners REINW. ex BL.
  • クスノキ科植物の内部構造に関する基礎的研究-1-
  • クスノキカ ショクブツ ノ ナイブ コウゾウ ニ カンスル キソテキ ケンキュウ 1

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The inner structure of cinnamon barks of 4 species (Cinnamomum burmanni BL., C. cassia PRESL, C. zeylanicum BL. and C. iners REINW. ex BL.) is described each at 3 different levels. These 4 species are distinguished by the inner structure of their barks. There are two types in C. burmanni: one has interrupted stone cell ring, many big stone cell groups and few bast fibers, the other has circular stone cell ring, few small stone cell groups, many bast fibers and lignified thick walled parenchyma cell or tissue. Crystals are the same, cubic or prismatic and sandy. These characters are assumed to correspond to the varieties of the same species. C. zeylanicum and C. iners are quite similar, and their common characters are circular stone cell ring, many bast fibers and rhombic or spindle and sandy crystals. The differences are : C. zeylanicum has stone cell groups in phloem and few amounts of lignified thick walled parenchyma cells in U-form in cortex, and C. iners has scarcely stone cell groups but many of U-form cells. C. cassia differs from the other species; it has circular or fluted stone cell ring, few bast fibers, many and big oil cells in phloem and needles and sandy crystals.

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