Any of various North American perennials of the genus Heuchera having palmately lobed basal leaves and leafless stalks bearing numerous small greenish, white, or reddish flowers.

• 矾根草，老鹳草一种北美的矾根属多年生植物，有掌状垂片基生叶和无叶茎，茎上有很多淡绿色、白色或浅红色的小花