plantaginaceous
/ˌplantədʒɪˈneɪʃəs/ /planˌtadʒɪˈneɪʃəs/Botany rare
adjective
Of or relating to the plant family Plantaginaceae, which includes the plantains.
Origin
Mid 19th century; earliest use found in Thomas Moore (1821–1887), gardener and writer on horticulture. From classical Latin plantāgin-, plantāgo plantain + -aceous, after scientific Latin Plantaginaceae, family name.