arillode
Technical botanical term for a false aril, a seed appendage that resembles an aril but develops from a different part of the ovule.
An arillode is a type of appendage that covers the surface of a seed.
仮種皮 (aril) is a true aril that develops from the funiculus, while 偽仮種皮 (arillode) is a false aril that develops from other parts of the ovule.
Compound of 偽 (false) + 仮種皮 (aril). The term is a direct translation of the English botanical term 'arillode'.