Isocarpha fistulosa is a New World species of plants in the family Asteraceae. It has been found only in Perú and Ecuador.[1]
Isocarpha fistulosa is an annual herb up to 70cm (30inches) tall. Leaves are up to 4frac=2NaNfrac=2 long. One plant produces several flower heads, each head with 120–150 white disc flowers but no ray flowers.[1]