polycotyledony
/ˌpɒlɪˌkɒtɪˈliːd(ə)ni/Botany
noun
The condition of being polycotyledonous, or of having more than the normal number of cotyledons.
Origin
Late 19th century; earliest use found in Robert Brown (1842–1895), geographer. From polycotyledon + -y.