三叶草属
Trifolium \Tri*fo"li*um\, n. [L., clover.] (Bot.) A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See {Clover}.
Trifolium n : any leguminous plant having leaves divided into three leaflets [syn: {genus Trifolium}]