''Gamochaeta coarctata'', the gray everlasting, is a species of
flowering plant in the family
Asteraceae. It is widespread in South America (from
Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
to
Uruguay) and naturalized in parts of Eurasia, Australia, and North America.
[Guy L. Nesom 2004. New distribution records for ''Gamochaeta'' (Asteraceae: Gnaphalieae) in the United States. Sida 21(2): 1175–1185.]
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''Gamochaeta coarctata'' is an annual herb up to tall. Leaves are up to long. The plant forms many small flower heads in elongated arrays. Each head contains 2–4 yellow disc flowers but no ray flowers.
Some specimens collected in the United States were formerly misidentified as '' G. americana,'' which does not grow in the United States.[Guy L. Nesom 1990. The taxonomic status of ''Gamochaeta'' (Asteraceae: Inuleae) and the species of the United States. Phytologia 68:186–198.]
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References
External links
photo of herbarium specimen at Missouri Botanical Garden, collected in Peru in 1973
coarctata
Flora of South America
Plants described in 1803
{{Gnaphalieae-stub