pin clover
n : 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 [syn: redstem storksbill, alfilaria, alfileria,
filaree, filaria, clocks, pin grass, Erodium
cicutarium]