hˈɛlɪˌæmfoːɹə ˌaɪənˈɑːsi ɪz ɐ spˈiːsiːz ʌv mˈɑːɹʃ pˈɪtʃɚ plˈænt θˈɔːt təbi ɛndˈɛmɪk tə ðə plætˈoʊ ðæt lˈaɪz bᵻtwˌiːn ðə bˈeɪsᵻz ʌv ˈɪluː tˈɛpjuːi ænd tɹˈeɪmɛn tˈɛpjuːi ɪn vˌɛnɪzwˈeɪlə.
Heliamphora ionasi is a species of marsh pitcher plant thought to be endemic to the plateau that lies between the bases of Ilu Tepui and Tramen Tepui in Venezuela.