Hymenothrix wislizeni

Hymenothrix wislizeni, the Trans-Pecos thimblehead,^[1] is a North American species of flowering plant in the daisy family. It grows in northwestern Mexico (Baja California, Sonora, Chihuahua) and the southwestern United States (far western Texas, Arizona, New Mexico).^[2][3]

Hymenothrix wislizeni
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Hymenothrix
Species:	H. wislizeni
Binomial name
Hymenothrix wislizeni A.Gray 1849

Hymenothrix wislizeni is an annual herb up to 70 cm (28 in) tall. Each head has 15-30 yellow or cream-colored disc flowers surrounded by 8-12 yellow ray flowers.^[4][5]