Cnidoscolus angustidens

Cnidoscolus angustidens, with the common name mala mujer, is an herbaceous perennial plant in the spurge family (Euphorbiaceae).

Cnidoscolus angustidens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Cnidoscolus
Species:
C. angustidens
Binomial name
Cnidoscolus angustidens
Torr.
Synonyms[1]
  • Jatropha angustidens (Torr.) Müll.Arg.
  • Cnidoscolus pringlei I.M.Johnst.
  • Jatropha pringlei (I.M.Johnst.) Standl.
  • Jatropha calyculata Pax & K.Hoffm.
  • Cnidoscolus calyculatus (Pax & K.Hoffm.) I.M.Johnst.,
  • Cnidoscolus orbiculatus Lundell

It is native to the Sonoran Desert mountains of southeastern Arizona and Northwestern Mexico, and further south in Mexico.[2][1][3]:56

"Mala mujer" is Spanish for "bad woman", referring to its stinging hairs which cause severe contact dermatitis.

Subspecies[1]
  1. Cnidoscolus angustidens subsp. angustidens - Arizona, Mexico
  2. Cnidoscolus angustidens subsp. calyculatus (Pax & K.Hoffm.) Breckon ex Fern.Casas - Michoacán
  3. Cnidoscolus angustidens subsp. dentatus Breckon ex Fern.Casas - Jalisco, Guerrero, Puebla
  4. Cnidoscolus angustidens subsp. orbiculatus (Lundell) Breckon ex Fern.Casas - C + S Mexico

References
  1. Kew World Checklist of Selected Plant Families
  2. ITIS Standard Report Page: Cnidoscolus angustidens
  3. Sonoran Desert Wildflowers, Richard Spellenberg, 2nd ed., 2012, ISBN 9780762773688
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