#basidium  a small club-shaped structure typically bearing four basidiospores at the ends of minute projections; unique to basidiomycetes
  supertype:  reproductive_structure  the parts of a plant involved in its reproduction
  subtype:  promycelium  the basidium of various fungi
  part:  hypobasidium  special cell constituting the base of the basidium in various fungi especially of the order Tremellales

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