Piassava Fibre
From London's Ghost Acres
Piassava, which is also called piaçaba, piasaba, pissaba, piassaba, and piaçá, is a fibrous product of two Brazilian palms: Attalea funifera and Leopoldinia piassaba. It is often used in making brooms, and for other purposes.
https://en.wikipedia.org/wiki/Piassava