It was first discovered in 1944 on the slopes interlinking Ptari-tepui and Sororopan-tepui and formally described in 1951.
ɪt wʌz fˈɜːst dɪskˈʌvɚd ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi fˈoːɹ ɔnðə slˈoʊps ˌɪntɚlˈɪŋkɪŋ tˈɑːɹɹitˈɛpjuːi ænd sˈoːɹoːɹˌɑːpæntˈɛpjuːi ænd fˈɔːɹməli dᵻskɹˈaɪbd ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti wˈʌn.