WordWeb Online

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

Derived forms: shamrocks

Type of: clover, oxalis, sorrel, trefoil, wood sorrel

Encyclopedia: Shamrock, Saskatchewan