In Tsou language, fona refers to the hyacinth bean, which comes from a perennial plant that grows well on barren soil and adverse conditions.
BBC: Tribal culture survives in Taiwan
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Each October, the Tsou celebrate the Life Bean or Fona Festival.
BBC: Tribal culture survives in Taiwan
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The Fona Festival consists of a modified Tsou marriage, representing efforts to continue the tribe, a rather important task as the populations of many tribes number only a few thousand people.