Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
原生木质部:初生木质部的成分,最早由原形成层形成。
Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
原生木质部:初生木质部的成分,最早由原形成层形成。
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