副芽
Pericycle fibers in the stolon nearly forming a ring is a secondary character that is usefull for the extension of the terminal bud of the stolon and finding a suitable point to develop.
匍匐茎中柱鞘纤维呈几乎连续环带的性状,可能有利于其延伸来寻找顶芽的着生点。
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