''Burkartia'' is a monotypic genus 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 ...

, containing the single species ''Burkartia lanigera''. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to southern

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

(Provinces of

Chubut Chubut may refer to: * Chubut Province, Argentina * Chubut River in the Chubut Province * Chubut steamer duck The Chubut steamer duck or white-headed flightless steamer duck (''Tachyeres leucocephalus'') is a flightless duck endemic to Argenti ...

, Rio Negro, Santa Cruz). This species was formerly in genus '' Perezia'', but it was separated because it has woolly

trichome Trichomes (); ) are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a pla ...

s in the leaf axils, a character not seen in any other ''Perezia''.Simpson, B. B., et al. (2009)
Phylogeny and evolution of ''Perezia'' (Asteraceae: Mutisieae: Nassauviinae).
''Journal of Systematics and Evolution'' 47(5), 431-43. The genus ''Burkartia'' was erected for it in 1976.Crisci, J. V. (1976). ''Burkartia'': Nuevo género de Mutisieae (Compositae). ''Boletin de la Sociedad Argentina de Botánica'' 17, 241–46.

Molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

analyses in 2009 supported its separation from ''Perezia''.

References

Endemic flora of Argentina Monotypic Asteraceae genera Nassauvieae {{Asteraceae-stub