bˈiː. ˈeɪtʃ. dˈænsɚ, ɪn hɪz nˈaɪntiːnhˈʌndɹɪd twˈɛnti ˈeɪt ɹᵻvˈɪʒən, ɹˈoʊt ðæt ˈɛn. tˈaɪmz hˌæɹɪˈɑːnə kʊd biː ɐ hˈaɪbɹɪd æz mˈækfɑːɹlˌeɪn sədʒˈɛstᵻd ɔːɹ ɐ fˈɔːɹm ʌv ˈɛn. vɪlˈoʊsə təɡˌɛðɚ wɪð ˈɛn. ˌɛdwɚdsiˈɑːnə.
B. H. Danser, in his 1928 revision, wrote that N. × harryana could be a hybrid as Macfarlane suggested or a form of N. villosa together with N. edwardsiana.