perianth (perianth)

[F. périant he = Sp. periantio, periancio = Pg. per i an thio = It. peri anzio, per i an to, clearly distinguishable into calyx and corolla, being mainly restricted in its application to the petaloideous monocotyledons, in which the calyx and corolla are so combined that they cannot be satisfactorily distinguished from one another. See cuts under Jun germ ann i a and monochla mydeous. - Biserial perianth. See biserial.