caragana

1 capitalized :  a large genus of Asian shrubs or small trees (family Leguminosae) having even-pinnate leaves with small leaflets and solitary or clustered mostly yellow flowers and bearing seeds in a linear pod — see chinese pea tree siberian pea tree

2 plural -s :  any plant of the genus Caragana shrubby members of which are extensively used in dry parts of the central U.S. for hedges and in shelter belts