What is a fibrous product of two Brazilian palm trees (Attalea funifera and Leopoldinia Piassaba), -- used in making brooms, and for other purposes. Called also piaçaba and piasaba called?

piassava — A fibrous product of two Brazilian palm trees (Attalea funifera and Leopoldinia Piassaba), -- used in making brooms, and for other purposes. Called also piaçaba and piasaba. (Webster's 1913.)

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