If such gametophytes produce fertile gametes, the resulting sporophyte is then tetraploid, and large polyploid series may subsequently be developed.
如果这种配子体能够产生可育的配子,那么形成的孢子体通常是四倍体,这样就可以得到大量的多倍体。
2
The spore morphology of Pteris is stable, and the difference between species is distinct , but the features of spore and sporophyte are not related.
凤尾蕨属植物孢子的形态稳定, 种间差异明显, 但孢子形态特征与孢子体的形态特征是不相关的。
3
The gametophyte and infant sporophyte morphological development of S. grevilleoides represented very different features on different culture substrata.