jones(n = noun.person) casey jones, john luther jones - United States railroad engineer who died trying to stop his train from crashing into another train; a friend wrote a famous ballad describing the incident (1864-1900);
penstemon(n = noun.plant) genus penstemon - large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America;
A large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; found mostly in Western North America. [WordNet 1.5]