Hassan SherRainer W. BussmannNarel Y. Paniagua-ZambranaIkram Ur Rahman2026-03-222026-03-22202110.1007/978-3-030-45597-2_176-2https://doi.org/10.1007/978-3-030-45597-2_176-2https://andeanlibrary.org/handle/123456789/82823enCalyxBractBiologyPetiole (insect anatomy)Apex (geometry)PedicelAnatomyBotanyInflorescenceReceptaclebook-chapter