crassinucellate
基本解釋
- 具厚珠心的
英漢例句
- Simple ovary,the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.
矮沙冬青子房單心皮1室,邊緣胎座,彎生胚珠,胚珠具雙珠被、厚珠心。 - The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.
子房3室，中軸胎座。胚珠倒生，雙珠被，厚珠心型。 - The ovule is bitegminous, crassinucellate and anatropous.The megaspore mother cell divides into linear megaspore terad after meiosis.
大孢子母細(xì)胞減數(shù)分裂形成線形排列的4個(gè)大孢子，合點(diǎn)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.
胚珠橫生，厚珠心，珠被兩層，外珠被2或3層細(xì)胞厚度，且發(fā)育較內(nèi)珠被快速。 - ovules pendulous, anacampylotropous, unitegmic, crassinucellate.
胚珠倒生，倒彎生，單珠被，具厚珠心。