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. "玫瑰鲜艳的红色花冠由精致的花瓣组成，环绕着它内部的生殖器官，与绿色萼片的萼片形成了鲜明的对比。plantbiologypartnatureorganismChat with AIVocabulary GamePractice Reading
