| Scientific Name: | Ruellia brittoniana |
| Common Name: | Mexican petunia |
| Family Name: | Acanthaceae |
| Origin: | Mexico |
| Hardiness Zone: | Zone 8b: (-9.4 to -7 °C) |
| Plant Type: | Annual, Herbaceous perennial |
| Mature Size: | 0.7 - 1.3m x 0.6 - 1.0m (height x width) |
| Habit: | Upright |
| Form: | Oval - vertical, Round |
| Texture: | Medium |
| Landscape Uses: | Attract butterflies, Bedding plant, Container planting |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Humus rich |
| Leaves: | Simple, Opposite, Soft flexible, Glabrous, Lanceolate, Serrate |
| Flowers: | Flowers solitary, White, Blue, Aug-Sep |
| Fruit: | Capsule, Brown, Oct |
| Key ID Features: | |
| Leaves dark green (appears a metallic blue/purple under full sun); lance-shaped, up to 30cm long x 2cm wide, prominent veins on the underside; flowers purple to pink, petunia-like, about 4cm wide. | |