Botany
Dillenia serrata is a plant species in the Dilleniaceae family. They are native to countries in South and South-East Asia. They commonly go by the name, elephant apple, similar to most other species in the Dillenia genus.
Arboretum at the University of California, Santa Cruz.
Cephalotus.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.