navelwort

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na·vel·wort

N0035300 (nā′vəl-wûrt′, -wôrt′)n.1. Any of various Eurasian plants of the genus Omphalodes, having cymes of usually blue flowers and nutlets with a navellike depression on one side.2. See pennywort.
[Sense 2, from the navellike depression in the center of its leaves.]

navelwort

(ˈneɪvəlˌwɜːt) n (Plants) another name for pennywort1