̷ ̷ˈ ̷ ̷ ̷ ̷kē noun
( -es )
Etymology: International Scientific Vocabulary orth- + Greek stichos row + International Scientific Vocabulary -y — more at stich
: a hypothetical line passing through the bases of leaves or scales situated directly above one another on an axis ; also : the arrangement of leaves or scales in such lines — compare parastichy , phyllotaxy