Calyx persistent, campanulate, enlarged in fruit, truncate, 4- or 5-dentate or lobed, often somewhat unequal or oblique, usually with large glands.

• 浅裂的宿存，钟状的花萼，扩大在果期，截形，4或5具牙齿或，通常多少不等或偏斜，通常具大腺体。