bitegmic
基本解释
- 双珠皮
英汉例句
- 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；