Euphorbia crenulata

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Euphorbia crenulata


Taxonavigation: Malpighiales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Malpighiales

Familia: Euphorbiaceae
Subfamilia: Euphorbioideae
Tribus: Euphorbieae
Subtribus: Euphorbiinae
Genus: Euphorbia
Subgenus: E. subg. Esula
Sectio: E. sect. Tithymalus
Species: Euphorbia crenulata


Euphorbia crenulata Engelm. in W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 192 (1858).


  • Homotypic
    • Euphorbia leptocera var. crenulata (Engelm.) Boiss. in Candolle, Prodr. 15(2): 143 (1862).
    • Tithymalus crenulatus (Engelm.) A.Heller, Muhlenbergia 1: 55 (1904).
  • Heterotypic
    • Euphorbia leptocera Engelm. ex Boiss. in Candolle, Prodr. 15(2): 143 (1862).
    • Euphorbia crenulata var. franciscana Norton, N. Amer. Euphorbia: 38 (1899).
    • Tithymalus franciscanus (Norton) A.Heller, Muhlenbergia 1: 56 (1904).
    • Euphorbia manca A.Nelson, Bot. Gaz. 47: 437 (1909).
    • Euphorbia nortoniana A.Nelson, Bot. Gaz. 47: 437 (1909).
    • Tithymalus mancus (A.Nelson) A.Heller, Muhlenbergia 9: 67 (1913).
    • Tithymalus leptocerus (Engelm. ex Boiss.) Arthur, Torreya 22: 30 (1922).


Native distribution areas:
  • Continental: Northern America
    • Regional: Southwestern USA
      • Arizona; California; Colorado; Idaho; Nevada; New Mexico; Oregon

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition


Primary references[edit]


Vernacular names[edit]

English: Chinese caps
Wikimedia Commons For more multimedia, look at Euphorbia crenulata on Wikimedia Commons.