Genus Cyclachaena Fresen. ex Schltdl.

Possible synonym of Euphrosyne DC.


Summary
Genus number:
18039
Last updated:
20 November 2019
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Accession count:

0 (0  active, 0  available) in National Plant Germplasm System
Comments:
all accepted species are in GRIN


Synonyms

Images (1 total. Click on image for more.)
Fruits

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References:
  1. Karis, P. O. 1995. Cladistics of the subtribe Ambrosiinae (Asteraceae: Heliantheae). Syst. Bot. 20:40-54. Note: cladistic analysis supports segregation from Iva L.
  2. Miao, B. et al. 1995. Chloroplast DNA variations in sect. Cyclachaena of Iva (Asteraceae). Amer. J. Bot. 82:919-923. Note: Iva s.l. is paraphyletic
  3. Panero, J. L. 2005. New combinations and infrafamilial taxa in the Asteraceae. Phytologia 87:1-14. Note: enlarges Euphrosyne DC. to accommodate this genus
  4. Strother, J. L. 2000. Hedosyne (Compositae, Ambrosiinae), a new genus for Iva ambrosiifolia. Madroño 47:204. Note: accepts
  5. Tomasello, S. et al. 2019. Ragweeds and relatives: molecular phylogenetics of Ambrosiinae (Asteraceae). Molec. Phylogenet. Evol. 130:104-114. Note: supports recognition as a separate genus
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=18039. Accessed 13 May 2026.