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polychasium
polychasium (ˌpɒlɪˈkeɪzɪəm) n, pl -sia (-zɪə) (Botany) botany a cymose inflorescence in which three or more branches arise from each node[C20: from New Latin, from poly- + -chasium as in dichasium]Polychasium
Polychasium a cymose inflorescence characteristic of some angiospermous plants. The main axis of a polychasium has more than two secondary axes below the apical flower, which grow longer than the main axis and end in flowers that bloom later. Some botanists make a distinction between polychasium (for example, in some Ranunculus), in which only secondary axes depart from the main axis, and a compound polychasium (for example, in elder and spurge), in which several tertiary axes depart from each secondary axis. |