Antirrhinum coulterianum nau'in tsiro ne a cikin dangin Plantaginaceae, wanda akafi sani da Coulter's Snapdragon. Ya fito ne daga kudu maso yammacin Amurka da arewacin Mexico, kuma ana kiransa da sunan Thomas Coulter, wani masanin ilimin halittu dan kasar Ireland wanda ya tattara nau'in samfurin a California a cikin 1830s.
