protophloem meaning in English
原生韧皮部
Examples
- It consists of the protophloem ( formed first ) and metaphloem
由原生韧皮部（最早形成的）和后生韧皮部组成。 - Protophloem the first - formed primary phloem , differentiated from the procambium in the region just behind the meristem
原生韧皮部：最早形成的初生韧皮部，由位于分生组织中的原形成层分化而来。