Any of several European plants of the genus Pulmonaria, having long-stalked leaves and coiled clusters of blue or purple flowers and formerly used in treating respiratory disorders.

疗肺草一种肺草属的欧洲植物，有长茎的叶子，卷曲的一簇簇的蓝色花或紫色花。通常用于治疗肺病。

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And lungworts (Pulmonaria), one of the first shade-loving perennials to return each spring, have white polka dots covering their spiky green leaves.

WSJ: It's Better in the Shade