Wiktionary
lesser celandine
n. A European perennial herb, ''Ficaria verna'', having heart-shaped leaves and solitary yellow flowers
WordNet
lesser celandine
n. perennial herb native to Europe but naturalized elsewhere having heart-shaped leaves and yellow flowers resembling buttercups; its tuberous roots have been used as a poultice to relieve piles [syn: pilewort, Ranunculus ficaria]