peloria
/pɪˈlɔːrɪə/Botany
noun
Abnormal regularity or symmetry of structure in a flower that is normally zygomorphic or asymmetric.
Origin
Late 18th century; earliest use found in Thomas Martyn (1735–1825), botanist. From post-classical Latin peloria from ancient Greek πέλωρος monstrous (from πέλωρ prodigy, monster, of uncertain origin) + post-classical Latin -ia.