any of various plants with small round leaves growing in crevices of rocks and walls or in marshy places, as any of a genus (Hydrocotyle) of perennial plants of the umbel family and a small North American plant (Obolaria virginica) of the gentian family
Origin of pennywortMiddle English penywort: see penny and wort
- a. Any of various creeping aquatic or semiaquatic plants of the genus Hydrocotyle, having round or oval scalloped leaves and small white or greenish flowers grouped in umbels.b. A Eurasian plant (Umbilicus rupestris) having fleshy peltate leaves and a tall stalk of yellowish-green flowers. Also called navelwort .
- Any of various other plants having rounded leaves suggestive of pennies.