noun🔗Share花冠An outermost-but-one whorl of a flower, composed of petals, when it is not the same in appearance as the outermost whorl (the calyx); it usually comprises the petal, which may be fused."The rose's vibrant red corolla of delicate petals surrounded its inner reproductive parts, contrasting sharply with the green sepals of its calyx. "バラの鮮やかな赤い花冠は、繊細な花びらでできており、その内側の生殖部分を囲み、がく片の緑色の萼と鮮やかにコントラストをなしていた。plantbiologypartnatureorganismChat with AIVocabulary GamePractice Reading
