PHYLLOTAXIS Meaning of PHYLLOTAXIS in English [ ˌfɪlə(ʊ)'taksɪs ](also phyllotaxy -'taksi ) ■ noun Botany the arrangement of leaves on an axis or stem.Derivativesphyllotactic adjective Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004