| red shrubby penstemon | (n) low branching dark green shrub with bunches of brick-red flowers at ends of branches; coastal ranges and foothills of northern California, Syn. redwood penstemon |
| shrubby penstemon | (n) low bushy plant with large showy pale lavender or blue-violet flowers in narrow clusters at ends of stems, Syn. lowbush penstemon, Penstemon fruticosus |