ep·​i·​lo·​bi·​um | \ˌepəˈlōbēəm\

Definition of epilobium 

1 capitalized : a large genus of widely distributed herbs (family Onagraceae) with pink or rarely yellow flowers, slender lanceolate leaves, and seeds with a silky coma

2 plural -s : any plant of the genus Epilobium : willow herb sense 1

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History and Etymology for epilobium

New Latin, from epi- + Greek lobos lobe, pod + New Latin -ium

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a nest or breeding place

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