angiosperm         gymnosperm        moss 

fern               anther            pistil 

cotyledon          dicot             monocot 

endosperm          dormancy          double fertilization

filament           fruit             gametophyte generation 

ovary              ovule             seed      

petal              pollen grain      alternation of generation   

pollen tube        micropyle         cross pollination 

sepal              seed coat         pollination

vector             stigma            self pollination  

style              stamen            sporangium