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

Ephedra Ephedra may refer to: * Ephedra (medicine), a medicinal preparation from the plant ''Ephedra sinica'' * ''Ephedra'' (plant), genus of gymnosperm shrubs See also * Ephedrine Ephedrine is a central nervous system (CNS) stimulant that is of ...

''. The plant is found in

Patagonia Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and g ...

, 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 ...

, as well as in central and southern

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. 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, 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