The central stem is slightly ridged and hairless. The flowers bloom together at the bottom of the spike.
| Scientific Name: | Petalostemum purpureum |
| Zone: | 3 |
| Light: | Sun |
| Height: | 2-3' |
| New Shape: | Upright |
| Foliage: | Green |
| Flower: | Purple |
| Bloom Time: | Jul-Sep |
Prairie Clover, Purple
