The gamete - producing phase in a plant characterized by alternationofgenerations.
配子体植物中以世代交替为特征的产生配子产生的阶段…
2
No alternationofgenerations the medusoid phase being entirely suppressed: sea anemones; corals.
由于没有世代交替，水母阶段遭到完全抑制；海葵；珊瑚虫。
3
Coelenterates typically having alternationofgenerations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.