| Noun | 1. | Kniphofia uvaria - clump-forming plant of South Africa with spikes of scarlet flowersflame flower, flameflower, flame-flower, kniphofia, tritoma - a plant of the genus Kniphofia having long grasslike leaves and tall scapes of red or yellow drooping flowers Kniphofia praecox, red-hot poker - widely cultivated hybrid poker plant |