''Burkartia'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

of flowering plants in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

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

endemic Endemism is the state of a species being found only 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 foun ...

to southern

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

(Provinces of

Chubut Chubut may refer to: * Chubut Province Chubut ( from Tehuelche language, Tehuelche 'transparent'; ) is a provinces of Argentina, province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), ...

, 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 plant ...

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