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KMID : 0368419870300020079
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Journal of Plant Biology
1987 Volume.30 No. 2 p.79 ~ p.94
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Epidermal Structure and Stomatal Types in Various Parts of Each Organ of Kalanchoe
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Jeong, Woo Gyu/鄭宇珪
Kim, Jin Sung/Kim, Chung Suk/Sung, Min Wung/金鎭聖/金鼎錫/成敏雄
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Abstract
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This study was carried out to investigate the epidermal structure, the stomatal types, the ontogeny of stomata in various parts of each organ of K. blossfeldiana, K. kewensis, and K. tometosa belonging to Kalanchoe. The epidermal cells were polygonal or isodiametric ones in the leaves, and mostly rectangular, tetragonal, and elongated ones in the other organs. The candelabrum-like, triradiate stellete trichomes in the aerial parts of all organs of K. tomentosa were found. The cuticular striations and square crystals of calcium oxalate in the epidermal cells of petals of K. blossfeldiana were observed. The great majority of the mature stomata in various parts of all the organs were commonly helicocytic types. This type was subdivided into three subtypes such as parahelicocytic, anomohelicocytic, and dianisocytic stomata on the basis of the division angle of the guard mother cells. Sometimes, the anisocytic type was found in most organs. This type was subdivided into three subtyes such as paranisocytic, anomoanisocytic, and dianisocytic stomata in the same way as the helicocytic type. A new stomataltype with anisocytic stoma within a girdle of four subsidiary cells of tetracytic type in the leaf of K. kewensis was firstly observed in the vascular plants. This type was termed the coaniso-tetracytic type. The anomomeristic pattern in the mesogenous category of stomatal types was found in various organs of all the material plants. Developmental mode of stomata was constant in all the parts of each organ within the same plant. The stomata was observed to be a few similar stomatal types in various parts of each organ within the same plant. The ontogeny of all the types is eumesogenous or mesogenous type. The ontogenetic type of stomata was mostly helico-eumesogenous type in all the organs of all the material plants. The mature stomata varied from organ to organ in regard of the number and arrangement of subsidiary cells.
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