Match the following tree species in Group-I with the colour of their flowers in Group-II.
| Group-I | Group-II |
| P - Cassia fistula | 1 - Scarlet red |
| Q - Jacaranda mimosifolia | 2 - Orange |
| R - Erythrina indica | 3 - White |
| S - Plumeria alba | 4 - Violet blue |
| 5 - Bright yellow |