Adenia stylosa is a species of flowering plant of the Passifloraceae family endemic to Madagascar.

[1] The sizable mature storage stems are mostly spheroid, and possess a wrinkled, grey to beige surface.

[2] It is a dioecious species (i.e. there are separate male and female plants).

stylosa H.Perrier by Joseph Marie Henry Alfred Perrier de la Bâthie in 1940.

[4] In Ankarana National Park, Madagascar, it occurs in dry forests on limestone soils.