What's the difference between kidneywort and navelwort?

Kidneywort

Definition:

• (n.) A kind of saxifrage (Saxifrage stellaris).
• (n.) The navelwort.

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Navelwort

Definition:

• (n.) A European perennial succulent herb (Cotyledon umbilicus), having round, peltate leaves with a central depression; -- also called pennywort, and kidneywort.

Example Sentences: