“韧皮部结”的发育直接来源于原形成层,发生在维管束分叉处,一般成对出现。
原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。
初生维管组织由原形成层发育而来,在所有维管植物中都有存在。
1·The differentiation of the cells derived from the primordial meristem formed protoderm, ground meristem and procambium strand.
其衍生细胞分化为原表皮、基本分生组织和原形成层。
2·Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.
顶端分生组织上的侧生突起发育成叶的原基,与原形成层有关。