perianth
perianth[ˈpɛrɪanθ]noun- (Botany)the outer part of a flower, consisting of the calyx (sepals) and corolla (petals)
(植)花被,总苞
语源- early 18th cent.: from French périanthe, from modern Latin perianthium, from Greek peri 'around' + anthos 'flower'
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