Pentagynia
/ˌpɛntəˈdʒɪnɪə/Botany. Now historical
noun
In the Linnaean artificial system: an order comprising plants having flowers with five pistils or styles.
Origin
Mid 18th century; earliest use found in John Hill (bap. 1714, d. 1775), physician and actor. From scientific Latin Pentagynia, order name (Linnaeus Systema Naturae) from ancient Greek πεντα- + γυνή + scientific Latin -ia.