''Cassinia × adunca'' is a species of flowering plant 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 ...

and 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 South Australia. It was first formally described in 1853 by Otto Wilhelm Sonder in the journal ''Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde'' from an unpublished description by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

. It is considered to be a hybrid, possibly between ''

Cassinia complanata ''Cassinia complanata'', commonly known as smooth cassinia, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub with sticky, densely hairy stems, narrow linear to cylindrical leaves an ...

'' and '' C. tegulata''.

References

adunca Asterales of Australia Flora of South Australia Plants described in 1853 Taxa named by Otto Wilhelm Sonder {{DEFAULTSORT:Cassinia x adunca