1. plant with whorls of small dark blue-violet flowers; Washington to Wyoming and south to California and Colorado; [syn: Rydberg's penstemon, Penstemon rydbergii]
WordNet (r) 3.0 (2006):
Penstemon rydbergii
n 1: plant with whorls of small dark blue-violet flowers;
Washington to Wyoming and south to California and Colorado
[syn: Rydberg's penstemon, Penstemon rydbergii]