The leaves are simple and spirally arranged. They are generally large, in the case of D. reticulata reaching 1.27 meters (4.2 feet) in length[10] and about 16 inches (41 centimeters) wide.
The flowers are solitary, or in terminal racemes, with five sepals and five petals, numerous stamens (up to 900 in the case of D. ovalifolia,[11] and a cluster of five to 20 carpels; they are superficially similar in appearance to Magnolia flowers.[8]
^"Name – Dillenia L. synonyms". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved February 20, 2010.
^ abGRIN. "Species in GRIN for genus Dillenia". Taxonomy for Plants. National Germplasm Resources Laboratory, Beltsville, Maryland: USDA, ARS, National Genetic Resources Program. Archived from the original on December 1, 2000. Retrieved February 27, 2010.