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Anatomical Study on Leaf of Salvia miltiorrhiza from Different Areas


  1. College of Biology and Science,Sichuan Agricultural University,Ya’an 625014
  • Received:2014-03-12 Online:2014-11-20 Published:2015-01-06
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Abstract: In order to provide scientific basis for the identification and improved varieties of Salvia miltiorrhiza, the anatomy characteristics of S.miltiorrhiza of different habitats were compared. The lamina and petiole of S.miltiorrhiza in 8 places were studied with paraffin sectioning, and their microstructures were observed. Moreover, the epidermis, xylems, phloems, etc. were measured. The data were studied by principal components analysis method. Leaf of S.miltiorrhiza is odd-pinnately compound leaf, bifacial leaf, villous. The upper epidermis thickness 11.87-26.47 μm, lower epidermis thickness 7.40-24.57 μm, number of palisade tissue 1-2, thickness of palisade tissue 42.93-58.13 μm, thickness of spongy tissue 57.17-102.67 μm, palisade tissue-spongy tissue ratio of leaf 0.55-0.87 etc. Leaf anatomical structure of S.miltiorrhiza has relationship with plant type and effective components. In summary, the anatomy characteristics of S.miltiorrhiza were distinguished from different origins. These conclusions can provide valuable reference for S.miltiorrhiza breeding.

Key words: Salvia miltiorrhiza, leaf, anatomy, identification, breeding

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