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《ACTA AGRESTIA SINICA》 2000-01
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Epidermal Characters of Leaves in Thermopsis and Thier Biological Significances

Sa Ren 1 Sudebilige 2 Chen Jiarui 1 ( 1Institute of Botany,Chinese Academy of Science,Beijing 100093) ( 2China Agricultural University,Beijing 100094)  
In this paper,epidermal characters of leaves in the Thermopsis lupinoides complex,the T.alpina complex and other species of Thermopsis were observed under light microscope.We found that the shape of the epidermal cells,the pattern of anticlinal walls and the types of stomatal apparatuses have much taxonomic importance within the genus.Epidermal cells of Thermopsis are polygonal or irregular;anticlinal walls of the epidermal cells are sinuate,sinuolate or straight.Both the upper and lower epidermical layers usually have stomata,except for the upper epidermis in T.turkestanica,T.gracilis,T.lupinoides,T.mollis. The stomatal apparatuses in the genus are mostly irregular(sometimes mixed with the anisocytic ones),and those of only one species T.barbata is always anisocytic.The result of ANOVA indicated the stomatal indices of Thermopsis vary significantly either at population or species level.The stomatal index and size are mainly influenced by the environmental factors.
【Fund】: 国家自然科学基金!项目 ( 3 9893 3 60 )
【CateGory Index】: Q949
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