''Ephedra frustillata'', the Patagonian ephedra, is a plant species in the genus '' Ephedra''. The plant is found in

Patagonia Patagonia () is a geographical region that includes parts of Argentina and Chile at the southern end of South America. The region includes the southern section of the Andes mountain chain with lakes, fjords, temperate rainforests, and glaciers ...

, 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 ...

, as well as in central and southern

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. The shrub grows in arid areas in sandy soil, sand dunes or on rocks, in full sun and can grow up to one meter in height. ''Ephedra frustillata'' contains

apigeninidin Apigeninidin (Also, apigenidin, or ''Gesneridin'') is a chemical compound belonging to the 3-deoxyanthocyanidins and that can be found in the Patagonian plant '' Ephedra frustillata'' and in the soybean. Apigeninidin is one of the principal pigment ...

, a 3-deoxyanthocyanidin.Apigeninidin as a leucoderivative in ''Ephedra frustillata'', Alberto A. Gurni and Marcelo L. Wagner, Phytochemistry, Volume 21, Issue 9, 1982, pp. 2428-2429,

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''Ephedra frustillata''
frustillata Flora of Argentina Flora of Chile Plants described in 1863 {{gymnosperm-stub