根茎采收时保留叶柄或叶柄基部。
The rhizome is collected with the petiole or petiole base attached.

带残基叶柄的根茎。
Rhizome with residual leaf stalks.

位于叶的基部，连接叶片与茎之间的部分。
Located at the base of the leaf, the part that connects the leaf blade and the stem.

残留的叶柄。
Remaining Leaf Stalk.