phyllo- + taxis
phyllotaxis (usually uncountable, plural phyllotaxes)
- (botany) The arrangement of leaves on a stem, or the mathematical principles governing such arrangement.
- 1985, John Fowles, A Maggot:
- Yet his Lordship would find this rate of proportion […] likewise in all plants, in the disposition of their leaves, for which ordering he would make a name, that is, from the Greek, phyllotaxis.
The arrangement of leaves on a stem