tri·fo·li·um /traɪˈfoliəm/
三葉草屬
Tri·fo·li·um n. 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.
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Trifolium
n : any leguminous plant having leaves divided into three
leaflets [syn: genus Trifolium]