Eustephia is a genus of South American plants in the Amaryllis family.

[3][4][5][6] Eustephia are bulbous plants with linear leaves.

[7] The pendent to declinate, tubular flowers display green colouration towards the tip.

[8] It was published by Antonio José Cavanilles in 1795 with Eustephia coccinea Cav.

[2] Several names have been coined using the name Eustephia but referring to species now considered better suited to other genera (Hieronymiella or Phycella).