A small, specialized club-shaped structure typically bearing four basidiospores at the tips of minute projections. The basidium is unique to basidiomycetes and distinguishes them from other kinds of fungi.

• 担子一个小的以球棒形结构为特点的，特别是在微小凸起的尖端带有四个担孢子，担子菌是担子独有的，使它与区别于其它类的真菌