The root-stemtransition region and the root in the elder plant reproduce the abnormal secondary structure which is similar to the rode caused by separation of the vascular bundle.
在多年生植株根茎过渡区出现的“绳索状”异常结构则是由于其内部维管束裂分的结果。
2
The lower part of its cotyledon node zone is cotyledon node zone-roottransition region, and its upper part is cotyledon node zone-stem connection region.