tˈɪpɪkli, hˈɑːɹdlˈiːvd spˈiːsiːz ɚɹˈɪdʒᵻnˌeɪt fɹʌm ˈæɹɪd klˈaɪməts, wˌaɪl sˈɔftlˈiːvd spˈiːsiːz ɚɹˈɪdʒᵻnˌeɪt fɹʌm tɹˈɑːpɪkəl ænd sʌbtɹˈɑːpɪkəl ɹˈiːdʒənz.
Typically, hard-leaved species originate from arid climates, while soft-leaved species originate from tropical and subtropical regions.