''Chrysogonum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

found only in eastern North America. Confusion regarding species that were named in ''Chrysogonum'' from other parts of the world, such as Madagascar, was clarified by Stuessy who reduced the genus to having only a single species with two varieties. A similar treatment was proposed by Nesom, although in that treatment 3 varieties were accepted. The plants are low-growing terrestrial herbs with yellow

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

containing both

disc floret The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

s and

ray florets The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. The genus is distinctive in having pistillate ray florets and staminate disk florets, and the pistil of the ray floret is fused to the adjacent phyllary as well as 3 paleae and their associated disk florets to form a "cypsela complex". The species is grown as an ornamental plant under the common name of Green and Gold, and is used primarily as a ground cover.Stuessy, T. F. 1977. Revision of ''Chrysogonum'' (Compositae, Heliantheae). Rhodora 79: 190–202. ; Species * '' Chrysogonum virginianum'' L. - eastern United States

References

Heliantheae Asteraceae genera {{Heliantheae-stub