dɪstˈɪŋɡwɪʃɪŋ fˈæktɚz bᵻtwˌiːn ˈeɪtʃ. pʌltʃˈɛlə ænd ˈeɪtʃ. mˈaɪnɚɹ ɪŋklˈuːd nˈɛktɚ spˈuːn mɔːɹfˈɑːlədʒi; ðə nˈɛktɚ spˈuːnz ʌv pʌltʃˈɛlə ɪmˈɜːdʒ dᵻɹˈɛktli ɔnðə bˈæk ɹˈɪm ʌvðə pˈɪtʃɚɹ ɪn ɐ smˈɔːl dᵻpɹˈɛʃən, wˌaɪl ðə spˈuːn ʌv mˈaɪnɚɹ ɪmˈɜːdʒᵻz ˌɔn ɐ nˈæɹoʊ stˈɔːk ˈɛndɪŋ ɪn ɐ lˈɑːɹdʒɚ nˈɛktɚ spˈuːn ðɐn ðæt ʌv pʌltʃˈɛlə.
Distinguishing factors between H. pulchella and H. minor include nectar spoon morphology; the nectar spoons of pulchella emerge directly on the back rim of the pitcher in a small depression, while the spoon of minor emerges on a narrow stalk ending in a larger nectar spoon than that of pulchella.