Ranunculus platanifolius, the large white buttercup, is a species of perennial herb of the buttercup family (Ranunculaceae) growing in mountains of Europe. The large white buttercup is an herbaceous plant 30 – 100 cm tall, with glabrous stem with many branches. The leaves are palmate, each divided into five segments with dentate margin. Flowers are organized into cymes; each flower has a calyx with five sepals, a corolla with five white petals, many stamens with yellow anthers and many styles.