Hildegardia populifolia is a species of flowering plant in the Sterculiaceae family. It is found only in the Eastern Ghats of Andhra Pradesh and Tamil Nadu in India. It is threatened by habitat loss; just about 20 trees are known to exist on the eastern slopes of the Kalrayan Hills. This is a deciduous tree growing up to 20 meters tall. It has lobed leaves and panicles of flowers with red sepals and no petals. Most trees produce both male and bisexual flowers.