Lyginopteris
noun
Ly·gi·nop·te·ris
ˌlījəˈnäptərə̇s
: a genus of Carboniferous seed ferns having a stem with mesarch siphonostele, large accumulation of pith, and marked development of secondary wood
Word History
Etymology
New Latin, from Greek lyginos of withe (from lygos withe + -inos -ine) + New Latin -pteris