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Of or relating to the development or maturation of tissues or organs or the movement of substances, such as hormones, from the base toward the apex.
(Botany) (of leaves and flowers) produced in order from the base upwards so that the youngest are at the apex. Compare basipetal
a•crop•e•tal(əˈkrɒp ɪ tl)
(of a plant) exhibiting a pattern of growth or movement from the base of the stem to its apex (opposed to basipetal).