Hippeastrum mirum is a species of herbaceous perennial bulbous flowering plants in the amaryllis family, Amaryllidaceae, subfamily Amaryllidoideae. It was formerly treated as Tocantinia mira.
The flowers are single, the stigma capitate. Spathe bracts are lanceolate, with a single valve.
Tocantinia mira grows in a dry forest of Brazil between the rivers Araguaia and Tocantins.