-sper·mae
\ˈspər(ˌ)mē, -pə̄(-, -pəi(-, -ˌmī\  noun plural combining form 
or -sper·me·ae\-_mēˌē, -mēˌī\ 
Etymology: New Latin, from -spermae, feminine plural of -spermus -spermous 
 : one having (such) a seed or germ  — in higher taxa in botany
< Angiospermae >
< Gymnospermae >
< Rhodospermeae >
or -sper·me·ae
< Angiospermae >
< Gymnospermae >
< Rhodospermeae >