直生胚珠

  • 网络orthotropous ovule;atropous ovule;orthotropus ovule;orthotropous
直生胚珠直生胚珠
  1. 安祖花的雌蕊是由2心皮组成,胚珠为直生胚珠,双珠被,77%珠心细胞在胞原细胞形成之前停止发育,并且逐渐解体消失,23%珠心细胞发生萎缩,导致雌蕊败育。

    The pistil has two carpels , the ovules belong to straight ovules with bitegmic ; 77 % nucellus stoped development before from the archesporial cell and disappear and 23 % nucellus atrophy .