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KMID : 0368419850280010029
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Journal of Plant Biology
1985 Volume.28 No. 1 p.29 ~ p.44
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On the Types of Abnormal Stomata in Crassulaceae
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Jeong Woo-Gyu
Sung Min-Wung
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Abstract
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This study was carried out to investigate the types and frequency of abnormal stomata in Crassulacease. We observed the surface of the leaves on twenty four species involved five varieties belonging to eight genera of Crassulaceae. Nineteen types of abnormal stomata were found in the families. Among them three types such as the single guard cell, the aborted stomata, and the single-aborted guard cell were highly observed from nineteen to twenty four species, and two types of the overlapped-thickening guard cells and the arrested stomata exhibited commonly from seven to thirteen species. The another types of them rarely occurred from one to five species. Most of abnormal stomata were found in S. alboroseum, P. chinese and S. sarmentosum, and a few types of them were observed in the other species. The three types of the ballooning guard cells, the cross cleaved stomata, and the fused pore stomata were first reported here in the seed plants. It was thought that the abnormal stomata were formed by the result of degeneration and abnormal development of normal stomata.
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