bitegmic

常见例句

• Simple ovary,the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.
  矮沙冬青子房单心皮1室,边缘胎座,弯生胚珠,胚珠具双珠被、厚珠心。
• Simple ovary, the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.The megaspore archesporium is initiated from sub-epidermis of nucellus.
  摘要矮沙冬青子房单心皮1室，边缘胎座，弯生胚珠，胚珠具双珠被、厚珠心。
• ovule solitary, basilateral, hemitropous, bitegmic;
  胚珠单生，基侧，横生，双珠被；
• ovules 2 per locule, pendent, anatropous, bitegmic, crassinucellar;
  胚珠每室2，下垂，倒生，具双珠被，具厚珠心；
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