Dillenia pentagyna is a flowering plant species belonging to the family Dilleniaceae. It is native to tropical regions of Southeast Asia, particularly found in countries like India, Bangladesh, and Myanmar. The plant typically grows as a tree or shrub and can reach heights of up to 15 meters. Its leaves are large, glossy, and have a distinctive shape, contributing to its ornamental value. The flowers of Dillenia pentagyna are large and showy, featuring white to pale yellow petals. They attract various pollinators, including bees and butterflies. The fruit is a fleshy capsule that contains seeds, which are dispersed when the fruit splits open. This species plays a role in local ecosystems and is sometimes used in traditional medicine.