| wheel tree | (n) eastern Australian tree widely cultivated as a shade tree and for its glossy leaves and circular clusters of showy red to orange-scarlet flowers, Syn. firewheel tree, Stenocarpus sinuatus |
| firewheel | n. An annual of the central U. S. (Gaillardia pulchella) having showy long-stalked yellow flower heads marked with scarlet or purple in the center. |