golden thistle

/ˌgoʊldən ˌθɪsəl/

Other forms: golden thistles

Definitions of golden thistle

1. noun

   any of several spiny Mediterranean herbs of the genus Scolymus having yellow flower heads
   types:

   Scolymus hispanicus, Spanish oyster plant

   a golden thistle of southwestern Europe cultivated for its edible sweet roots and edible leaves and stalks; its yellow flowers are used as a substitute for saffron

   type of:

   thistle

   any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves