Leptosporangiatae
plural noun
Lep·to·spo·ran·gi·a·tae
ˌlep(ˌ)tōspəˌranjēˈäˌtī,
-ˈāˌtē
in some classifications
: a group comprising all the orders of ferns in which sporangium formation is leptosporangiate compare eusporangiatae
Word History
Etymology
New Latin, from feminine plural of leptosporangiatus, adjective