Isocarpha megacephala
Isocarpha megacephala is a New World species of plants in the family Asteraceae. It has been found only in northeastern Brazil.
Isocarpha megacephala is an annual or perennial herb up to tall. Leaves are up to long. One plant produces several flower heads, each across each head on a long flower stalk, each head with 200-300 white disc flowers but no ray flowers.