Natūraliai auga Šiaurės Amerikoje, aptinkama kalnuose ar smėlynuose. Kartais gali siekti 25 m aukštį, tačiau dažniausiai būna gerokai mažesnės. Sparčiai auga pirmuosius 20 metų, tačiau vėliau augimas prislobsta ar net visai sustoja. Laikoma labai nereiklia dirvožemio derlingumui ir drėgnumui. Gali augti net ir skurdžiuose ar nualintuose smėlynuose. Laikoma pionierine rūšimi, nes įsikuria ten, kur kitos medžių rūšys tiesiog negalėtų augti. Bankso pušies laja netaisyklingos formos, gana reta. Spygliai susitelkę po du, 2-5 cm ilgio, šviesiai žalios spalvos. Kankorėžiai 3-5 cm ilgio, rudi, pailgi, net ir subrendę lieka kaboti ant šakelių, tik tampa šiek tiek pilkesni. Iš kankorėžių išbarstoma tik labai nedidelė sėklų dalis, dauguma jų lieka kankorėžiuose ir būna gyvybingos net 10-15 metų. Sėklos atsparios karčiui, todėl po gaisrų dažniausiai greitai suveši nauji bankso pušies sėjinukui.
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