Aesculus pavia

The small tree or shrub is native to the southern and eastern parts of the United States, found from Illinois to Virginia in the north and from Texas to Florida in the south.

[2] It is hardy far to the north of its native range, with successful cultivation poleward to Arboretum Mustila in Finland.

The smooth light brown fruits, about 2.5 cm (1 in) or so in diameter, reach maturity in early fall.

flavescens, is found in higher country in Texas, and hybrids with intermediate flower color occur.

The hybrid is a medium-sized tree to 13.5–17 m (45–55 ft) tall, intermediate between the parent species in most respects, but inheriting the red flower color from A. pavia.