ETYM French cardon. The same word as French cardon thistle, from Latin carduus, cardus, Late Lat. cardo. Related to Card.
> 1. Only parts eaten are roots and especially stalks (blanched and used as celery); related to artichokes.
2. Southern European plant having spiny leaves and purple flowers cultivated for its edible leafstalks and roots; SYN. Cynara cardunculus.