The r-line idioplasm mainly is the kaoliang and trend kaoliang type.

恢系的主要是中国高粱和倾中国高粱型。

Due to the over-diggings, the amount of natural Asarum sieboldii Miq. decreases quickly.So, the protection of Asarum sieboldii Miq. idioplasm resources is exeremely urgent.

由于过度采挖，野生资源锐减，保护华细资源迫在眉睫。