purapura
1. (noun) seed, tuber.
Makaia ai ngā purapura ki roto i te awa kia kuhu tahi me ngā wātakirihi, hei te wā e hauhakea ai he huaranga kau i ngā pūtake o ngā wātakirihi e kohia ana (TP 10/1909:4). / Place the tubers in the stream to join with the watercress, and at the time of harvest, transplant the roots of the watercress you are collecting.