mitrewort
/ˈmʌɪtəwəːt/(also miterwort)
noun
1Now in full false mitrewort. A tiarella (foamflower), especially T. cordifolia.
2A mitella, especially M. diphylla.
3Any of several small tropical American herbaceous plants of the genera Mitreola and Cynoctonum (family Loganiaceae); especially Cynoctonum mitreola. rare.
Origin
Late 18th century; earliest use found in Reinhold Forster (1729–1798). From mitre + wort, after the shape of the young fruit.