[peri.anth] n [NL perianthium, fr. peri- + Gk anthos flower--more at anthology] (1828): the floral structure comprised of the calyx and corolla esp. when the two whorls are fused--see flower illustration
PERIANTH
Meaning of PERIANTH in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012