crassinucellate
基本解释
- 具厚珠心的
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。 - The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.
子房3室，中轴胎座。胚珠倒生，双珠被，厚珠心型。 - The ovule is bitegminous, crassinucellate and anatropous.The megaspore mother cell divides into linear megaspore terad after meiosis.
大孢子母细胞减数分裂形成线形排列的4个大孢子，合点端大孢子具功能。 - The ovules are hemi-anatropous, crassinucellate and bitegamic.The outer integument, which is of 2-3 layers of cells in thickness, grows faster than the inner one.
胚珠横生，厚珠心，珠被两层，外珠被2或3层细胞厚度，且发育较内珠被快速。 - ovules pendulous, anacampylotropous, unitegmic, crassinucellate.
胚珠倒生，倒弯生，单珠被，具厚珠心。