A well-known plant of the genus Taraxacum (T. officinale, formerly called T. Dens-leonis and Leontodos Taraxacum) bearing large, yellow, compound flowers, and deeply notched leaves.
- A Eurasian plant (Taraxacum officinale) of the composite family having many-rayed yellow flower heads and deeply notched basal leaves. Widely naturalized as a weed in North America, it is used in salads and to make wine.
- Any of several similar or related plants.
- A brilliant to vivid yellow.