shamrock

名词 shamrock:

1. creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage
   同义词：white clover, dutch clover, Trifolium repens
2. Eurasian plant with heart-shaped trifoliate leaves and white purple-veined flowers
   同义词：common wood sorrel, cuckoo bread, Oxalis acetosella
3. clover native to Ireland with yellowish flowers; often considered the true or original shamrock
   同义词：hop clover, lesser yellow trefoil, Trifolium dubium