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；
North-Chaihu's stem tufts or grows single, there isn't any fabric leafstalk, and the remnant is purple red.
灰毛菊属的任何一种植物，产于欧洲南部，具有单生包片或银色的头状花序，管状花呈浅紫色。
Any plant of the genus xeranthemum native to southern europe having chaffy or silvery flower heads with purplish tubular flowers.
朱兰属的任何一种坚实的沼泽兰；陆生，根茎纤细，叶一片或少数几片，花单朵顶生。
Any hardy bog orchid of the genus pogo nia: terrestrial orchids having slender rootstocks and erect stems bearing one or a few leaves and a solitary terminal flower.
应用推荐