Helminthotheca

Helminthotheca (commonly called ox-tongue)[2] is a genus in the Cichorieae tribe of the sunflower family.[3][4] Helminthotheca is closely related to the genus Picris, both within the Hypochaeridinae subtribe.[5][6]

Species[1]
  • Helminthotheca aculeata - Italy, Algeria, Tunisia
  • Helminthotheca balansae - Algeria, Morocco
  • Helminthotheca comosa - Algeria, Morocco, Spain, Portugal, Gibraltar
  • Helminthotheca echioides (syn. Picris echioides)[7] - widespread across much of Europe and the Mediterranean from Ireland + Canary Islands to Poland + Iran; naturalized in Australia, North and South America
  • Helminthotheca glomerata - Algeria, Tunisia, Morocco

ox-tongue
Helminthotheca echioides
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Subfamily:
Cichorioideae
Tribe:
Cichorieae
Subtribe:
Hypochaeridinae
Genus:
Helminthotheca

Vaill. ex Zinn
Synonyms[1]

References
  1. Flann, C (ed) 2009+ Global Compositae Checklist
  2. Genus Helminthotheca page in the New York Flora Atlas, 12-20-2012
  3. Zinn, Johann Gottfried. 1757. Catalogus Plantarum Horti Gottingensis 430
  4. Tropicos, Helminthotheca Zinn
  5. Kilian, Gemeinholzer & Lack (2009). Systematics, Evolution, and Biogeography of Compositae. (Funk, Susanna, Stuessy & Beyer, eds.) Ch. 24. Chichorieae, pp. 349-352.
  6. Altervista Flora Italiana, genere Helminthotheca includes photos and European distribution maps
  7. Interagency Taxonomic Information System (ITIS) report for Helminthotheca echioides (L.) Holub, accessed 12-23-2012


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