Cnidoscolus angustidens, with the common name mala mujer, is an herbaceous perennial plant in the spurge family (Euphorbiaceae).
It is native to the Sonoran Desert mountains of southeastern Arizona and Northwestern Mexico, and further south in Mexico.ITIS Standard Report Page: Cnidoscolus angustidensKew World Checklist of Selected Plant FamiliesSonoran Desert Wildflowers, Richard Spellenberg, 2nd ed., 2012,
"Mala mujer" is Spanish for "bad woman", referring to its stinging hairs which cause severe contact dermatitis.
Subspecies Cnidoscolus angustidens subsp. angustidens - Arizona, Mexico Cnidoscolus angustidens subsp. calyculatus (Pax & K.Hoffm.) Breckon ex Fern.Casas - Michoacán Cnidoscolus angustidens subsp. dentatus Breckon ex Fern.Casas - Jalisco, Guerrero, Puebla Cnidoscolus angustidens subsp. orbiculatus (Lundell) Breckon ex Fern.Casas - C + S Mexico
References
External links USDA Plants Profile for Cnidoscolus angustidens (mala mujer)