sepal
noun /ˈsepl/
/ˈsiːpl/
(specialist)- enlarge imagea part of a flower, like a leaf, that lies under and supports the petals (= the thin coloured parts that make up the head of the flower). Each flower has a ring of sepals called a calyx.
萼片 词源early 19th cent.: from French sépale, modern Latin sepalum, from Greek skepē ‘covering’, influenced by French pétale ‘petal’.