About Ageratina herbacea (A.Gray) R.M.King & H.Rob.
Ageratina herbacea (A.Gray) R.M.King & H.Rob. is a North American flowering plant species in the family Asteraceae. Its common names are fragrant snakeroot and Apache snakeroot. This species is native to desert regions, including the Sonoran, Mojave, and Chihuahuan Deserts, found in the southwestern United States and northern Mexico. In the United States, its range covers southeastern California, southern Nevada, southern Utah, Colorado, Arizona, New Mexico, and western Texas. In northern Mexico, it occurs in Baja California, Chihuahua, Coahuila, and Sonora. It grows on rocky slopes within conifer forests and woodlands.
Ageratina herbacea is a perennial herb. It produces a green, fuzzy stem from a woody caudex, reaching a height between approximately 50 and 70 centimeters. Its leaves range in color from yellow to green or grayish, and have a shape from triangular to heart-shaped. The inflorescence is a cluster of fuzzy flower heads less than one centimeter long. Each flower head contains long, protruding white disc florets and has no ray florets. The fruit is an achene a few millimeters long, topped with a rough, bristly pappus.
