1、 North-Chaihu's stem tufts or grows single,there isn't any fabric leafstalk,and the remnant is purple red.
北柴胡茎从生或单生，茎基部无纤维状叶柄，残基物为紫红色；
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2、 The results showed that the adventitious shoot inducing rate of leafstalk was higher than leaf and stem, the adventitious shoots polarization of stem cambium was also good.
结果表明叶柄不定芽诱导优于茎段和叶片，茎段形成层不定芽诱导效果也较好。
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