Isocarpha fistulosa is a New World species of plants in the family Asteraceae.

It has been found only in Peru and Ecuador.

[1] Isocarpha fistulosa is an annual herb up to 70 cm (28 in) tall.

Leaves are up to 4 cm (1+1⁄2 in) long.

This Eupatorieae article is a stub.