Texas Bull Nettle

Cnidoscolus texanus, commonly known as Texas bullnettle, treadsoftly, and mala mujer, is a perennial herb covered with stinging hairs, native to the U.S. states of Texas, Arkansas, Kansas, Louisiana, and Oklahoma. It is also native to the northern Mexican state Tamaulipas. It is an herbaceous flowering plant that grows between 30–80 cm (11.8–31.5 in) tall and as much as 1 m (3.3 ft) across.