The present study was carried out to invsetigate the female gametophyte formation of Patycodon glaucum Nakai val. alba Chung which is cultivated for food and medicine in the eastern asia. The results obtained are as follows.
1. Nucellus is of tennuin...
The present study was carried out to invsetigate the female gametophyte formation of Patycodon glaucum Nakai val. alba Chung which is cultivated for food and medicine in the eastern asia. The results obtained are as follows.
1. Nucellus is of tennuinucellae type.
2. Integument is unitegumic.
3. Ovule shows an anatropous type.
4. The arrangement of megaspore tetrad is of linear type.
5. The chalazal megaspore of linear tetrad develops into a polygonum type embryo sac.
6. Neither the hook-shaped synergids nor the filiform apparatus formed at the micropylar end of synergids is observed.