Cleomella refracta

Cleomella refracta, common names jackass clover or spectacle fruit, is a species of flowering plant in the cleome family, Cleomaceae.^[1] It is native to northwestern Mexico and the southwestern United States, particularly Chihuahua, Sonora, trans-Pecos Texas, New Mexico, Arizona, Utah, Nevada and California (Riverside, Kern and San Bernardino Counties).^[2] The species occurs in sandy flats, desert scrub and disturbed sites such as roadsides.^[3]

Cleomella refracta
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Brassicales
Family:	Cleomaceae
Genus:	Cleomella
Species:	C. refracta
Binomial name
Cleomella refracta (Engelm.) J.C.Hall & Roalson (2015)
Synonyms[1]
Cleome refracta (Engelm.) Mabb. (2017) Cleomella coulteri Harv. ex A.Gray (1852) Wislizenia costellata Rose ex Greene (1906) Wislizenia melilotoides Greene (1906) Wislizenia refracta Engelm. (1848) Wislizenia refracta var. melilotoides (Greene) I.M. Johnst. (1924) Wislizenia scabrida Eastw. (1903)

Cleomella refracta is an annual herb up to 200 cm (78.5 in) tall. Leaves are trifoliate, the leaflets ovate (egg-shaped), up to 5 cm (2 in) long. Its flowers are yellow.^{[4][5][6][7][8]}