| Penstemon | large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers |
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| Penstemon | plant of southwestern United States having long open clusters of scarlet flowers with yellow hairs on lower lip |
| Penstemon | plant with bright red tubular flowers in long narrow clusters near tips of erect stems |
| Penstemon | erect plant with blue-violet flowers in rings near tips of stems |
| Penstemon | mat-forming plant with blue-lavender flowers clustered on short erect stems |
| Penstemon | stems in clumps with cream-colored flowers |
| Penstemon | low plant with light blue and violet flowers in short clusters near tips of stems |
| Penstemon | low bushy plant with large showy pale lavender or blue-violet flowers in narrow clusters at ends of stems |
| Penstemon | plant having small narrow leaves and blue-violet flowers in long open clusters |
| Penstemon | mat-forming plant with deep pink flowers on short erect leafy stems |
| Penstemon | fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems |
| Penstemon | erect stems with pinkish-lavender flowers in long interrupted clusters |