In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.
然而在根中,它还是适用的。在一些被子植物的根中,还现了第四
原,即calpytrogen,
根冠
有关。
In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.
然而在根中,它还是适用的。在一些被子植物的根中,还现了第四
原,即calpytrogen,
根冠
有关。
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