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(Plants) a geraniaceous plant, Erodium cicutarium, native to Europe, with finely divided leaves and small pink or purplish flowers. It is widely naturalized in North America and is used as fodder. Also called: pin clover
[via American Spanish from Spanish alfilerillo, from alfiler pin, from Arabic al-khilāl the thorn]
al•fil•a•ri•a(ælˌfɪl əˈri ə)
n., pl. -ri•as.
a European plant, Erodium cicutarium, of the geranium family, grown for forage in the U.S.
[1865–70, Amer.; < Sp alfilerillo=alfiler pin < Arabic al-khilāl the pin]
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|Noun||1.||alfilaria - European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage|