An Old World plant of the daisy family with yellow dandelionlike flowers and prickly hairs on the stem and leaves.
- Genus Picris, family Compositae: several species, including the bristly ox-tongue (P. echioides), introduced to and now common in California
More example sentences
- The ox tongue is in blossom during June and July; all the florets of the flower-heads, as in the dandelion, are of a rich golden yellow.
- Bristly ox tongue is a coarse, rough annual plant that grows about 1 meter high.