Comparative studies on phenotypic plasticity of two herbs, Changium smyrnioides and Anthriscus sylvestris

INTRODUCTION Changium smyrnioides Wolff, a monotypicspecies of family Umbellaceae, occurs only in anarrow zone in the middle to eastern part of theChangjiang (Yangtze) River Basin, China. As ahighly valued medicinal herb, the fleshy roots ofthis species are widely picked, and as its habitatsare being disturbed increasingly by land use, it hasbecome an endangered species (Qiu and Fu, 2001).Anthriscus sylvestris (L.) Hoffm belongs to thesame family; has similar morphology and life…     

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历经锤炼之后,黄金周铅华褪尽渐显本色。随着第21个黄金周的落幕,已经实施9年的黄金周休假日,即将被撤销。回头想想,是不是已经到了反思的时候:这种长假真的让我们得到放松了吗?黄金周,欲求黄金只见粥?