"Spare grass and ocotillo"
An ocotillo in Joshua Tree National Park, California
Creative Commons Attribution Share AlikeAn ocotillo in Joshua Tree National Park, California - Credit: PatríciaR
Ocotillo flowers blooming at Saguaro National Monument, Arizona
Creative Commons AttributionOcotillo flowers blooming at Saguaro National Monument, Arizona - Credit: Debbie

Ocotillo is a desert plant of the southwestern United States and northern Mexico. For much of the year, the plant appears dead, until rainfall when the ocotillo sprouts small leaves. Bright crimson flowers appear after heavier rainfall in spring and summer.