Boerhavia coccinea

''Boerhavia coccinea'' is a species of flowering plant in the four o'clock family which is known by many common names, including scarlet spiderling, red boerhavia, hogweed, and in Spanish, ''hierba del cancer'' and ''hierba de la hormiga''.

This is a widespread plant, whose native range is not certain, but probably includes the southwestern United States and parts of Mexico. It is present across the southeastern United States, where it may be naturalized. It is also present in Africa,.. more