Abstract
A classification of buds as trace and adventitious buds is proposed. The trace bud has a trace to the pith and develops in the elongating region of the shoot. An adventitious bud lacks a trace to the pith and can appear wherever elongation has ceased. If the terms dormant and quiescent are given the same meaning, quiescent adventitious buds are dormant buds, and the distinctions between them disappear. Root suckers come only from adventitious buds. Sprouts arise from both trace and adventitious buds. Coppice consists of trees whose boles come from trace and adventitious buds and arise as sprouts and root suckers.

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