Also called greater celandine,swallowwort. an Old World plant, Chelidonium majus, of the poppy family, having yellow flowers.
Also called lesser celandine. an Old World plant, Ranunculus ficaria, of the buttercup family, having fleshy, heart-shaped leaves and solitary yellow flowers.
Origin of celandine
1275–1325;Middle Englishselandyne, variant of celydon < Latinchelīdonia greater celandine, chelīdonium lesser celandine < Greekchelīdónion, derivative of chelīdṓn swallow; said to be so called because it blooms when the swallows return in spring