ɪt wʌz ɚɹˈɪdʒɪnəli dᵻskɹˈaɪbd fɹʌm ɐ sˈɪŋɡəl kˈʌltᵻvˌeɪɾᵻd spˈɛsɪmən ɡɹˈoʊn ɪn təlˈuːkə ɪnðə təlˈuːkə vˈæli, wˈɛl aʊtsˈaɪd ðə nˈeɪɾɪv ɹˈeɪndʒ.
It was originally described from a single cultivated specimen grown in Toluca in the Toluca Valley, well outside the native range.