Euphorbia spathulata

Euphorbia spathulata

Euphorbia spathulata

Taxonavigation

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. Helioscopia
Species: Euphorbia spathulata

Name

Euphorbia spathulata Lam., 1788

Synonyms

• Homotypic
  • Keraselma spatulatum (Lam.) Raf., Autik. Bot.: 93 (1840).
  • Tithymalus spathulatus (Lam.) W.A.Weber, Phytologia 58: 384 (1985).
• Heterotypic
  • Euphorbia obtusata Pursh, Fl. Amer. Sept. 2: 606 (1814).
  • Euphorbia dictyosperma Fisch. & C.A.Mey., Index Seminum (LE, Petropolitanus) 2: 37 (1836).
  • Pythius obtusata (Pursh) Raf., Fl. Tellur. 4: 116 (1838).
  • Xamesike deltifolia Raf., Autik. Bot.: 98 (1840).
  • Euphorbia arkansana Engelm. & A.Gray, Boston J. Nat. Hist. 5: 261 (1845).
  • Euphorbia dictyosperma var. mexicana Engelm. in W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 191 (1858).
  • Euphorbia multicaulis Engelm. in W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 191 (1858), nom. illeg.
  • Tithymalus arkansanus (Engelm. & A.Gray) Klotzsch & Garcke, Abh. Königl. Akad. Wiss. Berlin 1859: 66 (1860).
  • Tithymalus obtusatus (Pursh) Klotzsch & Garcke, Abh. Königl. Akad. Wiss. Berlin 1859: 69 (1860).
  • Euphorbia dictyosperma var. multicaulis J.M.Coult., Contr. U.S. Natl. Herb. 2: 393 (1894).
  • Euphorbia arkansana var. atrosemina Norton, N. Amer. Euphorbia: 21 (1899).
  • Euphorbia arkansana var. coloradensis Norton, N. Amer. Euphorbia: 21 (1899).
  • Euphorbia arkansana var. missouriensis Norton, N. Amer. Euphorbia: 19 (1899).
  • Euphorbia mexicana (Engelm.) Norton, N. Amer. Euphorbia: 21 (1899).
  • Euphorbia missouriensis (Norton) Small in N.L.Britton, Man. Fl. N. States: 595 (1901).
  • Euphorbia pseudopeplus Speg., Anales Mus. Nac. Buenos Aires 7: 164 (1902).
  • Tithymalus missouriensis (Norton) Small, Fl. S.E. U.S.: 721 (1903).
  • Tithymalus dictyospermus (Fisch. & C.A.Mey.) A.Heller, Muhlenbergia 1: 56 (1904).
  • Tithymalus arkansanus var. coloradensis (Norton) Rydb., Bull. Torrey Bot. Club 33: 145 (1906).
  • Tithymalus mexicanus (Engelm.) Wooton & Standl., Contr. U.S. Natl. Herb. 16: 145 (1913).
  • Galarhoeus missouriensis (Norton) Rydb., Brittonia 1: 93 (1931).
  • Galarhoeus arkansanus (Engelm. & A.Gray) Small ex Rydb., Fl. Plains N. Amer.: 520 (1932).
  • Galarhoeus obtusatus (Pursh) Small ex Rydb., Fl. Plains N. Amer.: 520 (1932).
  • Tithymalus pseudopeplus (Speg.) Soják, Cas. Nár. Mus., Odd. Prír. 148: 199 (1979 publ. 1980).
  • Euphorbia spathulata var. mexicana (Engelm.) Oudejans, Collect. Bot. (Barcelona) 21: 188 (1992 publ. 1993).

Distribution

Native distribution areas:

Continental: Northern America Alabama; Arizona; Arkansas; California; Colorado; District of Columbia; Florida; Georgia; Idaho; Illinois; Iowa; Kansas; Kentucky; Louisiana; Maryland; Mexico Northeast; Mexico Northwest; Minnesota; Mississippi; Missouri; Montana; Nebraska; New Mexico; North Carolina; North Dakota; Oklahoma; Ontario; Oregon; South Carolina; South Dakota; Tennessee; Texas; Utah; Virginia; Washington; Wisconsin; Wyoming Continental: Southern America Argentina Northeast; Argentina Northwest; Argentina South; Brazil South; Uruguay References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Lamarck, J.-B. 1786–1788. Encyclopédie méthodique. Botanique. Tome 2. 774 pp. Panckoucke, Paris; Plomteux, Liége. BHL Reference page. : 2:428. 1788

Links

• Govaerts, R. et al. 2020. Euphorbia spathulata in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jul 11. Reference page. 
• International Plant Names Index. 2020. Euphorbia spathulata. Published online. Accessed: Jul 11 2020.
• Govaerts, R. et al. 2020. Euphorbia spathulata in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jul 11. Reference page. 
• Tropicos.org 2020. Euphorbia spathulata. Missouri Botanical Garden. Published online. Accessed: 11 Jul 2020.
• USDA, ARS, Germplasm Resources Information Network. Euphorbia spathulata in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names

English: Warty spurge and roughpod spurge

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