UTRICLE: A small, bladder-like, usually dry, one-seeded fruit with a thin, loose, tissue-like covering that doesn't open when ripe, such as that of an Amaranth.
UTRICULAR: Pertaining to, containing, or resembling a utricle.
UTRICULIFEROUS: Bearing or producing utricles.
UTRICULIFORM: Having the form of a utricle.
UTRICULOID: Having the form of a bladder.