dikˈsōnēə noun
Usage: capitalized
Etymology: New Latin, from James Dickson died 1822 English botanist + New Latin -ia
: a large genus of tropical tree ferns (family Cyatheaceae) having bipinnatifid or tripinnatifid fronds and marginal or submarginal sori with a surrounding membranous cup-shaped indusium and including one species ( D. antarctica ) that is often cultivated
• dick·so·ni·oid -nēˌȯid adjective