In other words, it is a mechanism for cross-pollination by air.
ɪ n WORD_BOUNDARY ʌ ð ə ɹ WORD_BOUNDARY w ɜː d z WORD_BOUNDARY ɪ t WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY m ɛ k ə n ɪ z ə m WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY k ɹ ɔ s p ɑ l ɪ n eɪ ʃ ə n WORD_BOUNDARY b aɪ WORD_BOUNDARY ɛ ɹ WORD_BOUNDARY