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 (fĭl′ə-tăk′sĭs) also phyl·lo·tax·y (fĭl′ə-tăk′sē)
n. pl. phyl·lo·tax·es also phyl·lo·tax·ies
The arrangement of leaves on a stem.

phyl′lo·tac′tic (-tăk′tĭk) adj.


(ˈfɪl əˌtæk si)

n., pl. -tax•ies.
1. the arrangement of leaves on a stem or axis.
2. the study of such arrangement.
phyl`lo•tac′tic (-ˈtæk tɪk) phyl`lo•tax′ic, adj.

phyllotaxy, phyllotaxis

1. the arrangement of the leaves on the stem of a plant.
2. the science or study of the arrangement and distribution of leaves. — phyllotactic, adj.
See also: Leaves