Helenium thurberi is a North American plant in the sunflower family, commonly known as Thurber's sneezeweed. It is native to Mexico (Baja California Sur, Sinaloa, Nayarit, Chihuahua) and the southwestern United States (Arizona).[1] [2]
Helenium thurberi is an annual herb up to 100round=0.5NaNround=0.5 tall, with small wings running down the sides of the stems. Leaves are lance-shaped. One plant can produce up to 120 flower heads, in a branching array. Each head has an egg-shaped or conical disc that may contain 500 or more minuscule disc flowers each 1– across, each yellow toward the bottom but brown or reddish-brown toward the tip. There are no ray flowers.[3]
