Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rock_penstemon
1 sense of rock penstemon
Sense 1
rock penstemon, cliff penstemon, Penstemon rupicola -- (one of the West's most beautiful wildflowers; large brilliant pink or rose flowers in many racemes above thick mats of stems and leaves; ledges and cliffs from Washington to California)
=> wildflower, wild flower -- (wild or uncultivated flowering plant)