Caryopsis
Caryopsis , noun
[New Latin, from gr. {not transcribed} hut, kernel + {not transcribed} sight, form.]
(Botany) A one-celled, dry, indehiscent fruit, with a thin membranous pericarp, adhering closely to the seed, so that fruit and seed are incorporated in one body, forming a single grain, as of wheat, barley, etc.