Imbira is a genus of land planarians found in South America.

The genus Imibira is characterized by having a large, slender and flat body with parallel margins, reaching up to 14 cm in length.

In comparison to other genera, the body has an additional layer of longitudinal muscles dorsally and ventrally to the intestine.

The female cavity is rounded and filled with a multilayered epithelium.

[1] Imbira is a word in the Tupi language that refers to a strip of bark peeled off from certain trees.