perianth
THE COLLECTIVE TERM FOR THE SEPALS AND PETALS, OR EITHER OF THEM IF ONE IS ABSENT. THE OUTER PART OF A FLOWER, CONSISTING OF THE CALYX AND COROLLA
Corolla (botany); Perianths; Corona (flower); Corona (plant structure); Paraperigonium; Corona (perianth); Paraperigon; Paraperigone; Homochlamydeous
['p?r?an?]
¦ noun Botany the outer part of a flower, consisting of the calyx (sepals) and corolla (petals).
Origin
C18: from Fr. perianthe, from mod. L. perianthium, from Gk peri 'around' + anthos 'flower'.