Aril and Pericarp

Aril noun - Fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed.

Pericarp and aril are semantically related. In some cases you can use "Pericarp" instead a noun "Aril".

Pericarp noun - The ripened and variously modified walls of a plant ovary.

Aril and pericarp are semantically related. Sometimes you can use "Aril" instead a noun "Pericarp".