Aesculus parviflora, the bottlebrush buckeye or small-flowered buckeye, is a species of suckering deciduous shrub in the family Sapindaceae. The species is native to the southeastern United States, where it is found primarily in Alabama and Georgia, with a disjunct population in South Carolina along the Savannah River. Its natural habitat is in mesic forests, on bluffs and in ravines.

This plant is highly poisonous to humans if eaten. Symptoms include muscle weakness, paralysis, vomiting, diarrhea, and death. It has also been reported to be toxic to pets.

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