mullein

American  

[muhl-uhn] / ˈmʌl ən /

Or mullen

noun

1. any of various plants belonging to the genus Verbascum, of the figwort family, native to the Old World, especially V. thapsus, a tall plant with woolly leaves and a dense spike of yellow flowers.

2. any of several similar plants.

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mullein British  

/ ˈmʌlɪn /

noun

1. any of various European herbaceous plants of the scrophulariaceous genus Verbascum, such as V. thapsus (common mullein or Aaron's rod), typically having tall spikes of yellow flowers and broad hairy leaves See also Aaron's rod

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Etymology

Origin of mullein

1325–75; Middle English moleine < Anglo-French, perhaps derivative of mol soft < Latin mollis