An Old World plant of the daisy family with yellow 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‘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.’
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