The former condition represents a lower, the latter condition represents a higher, order of phyllotaxis.
phyllotaxis, or Phyllotaxy, the arrangement of leaves on the stem, 67.
Leaves occupy various positions on the stem and branches, phyllotaxis.
Such are the majority of the scales of the cone and represent more or less indefinite conditions of phyllotaxis.
In different species of the same genus the phyllotaxis frequently varies.
The angle of divergence may alter either abruptly or gradually, and the phyllotaxis thus becomes very complicated.