(n)wine and lavender to purple and black flowers in several clusters on the upper half of leafy stems; Montana south through the Rocky Mountains to Arizona and New Mexico, Syn.Penstemon whippleanus
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. [ See Whip, and cf. Whiffletree. ] [ 1913 Webster ]
1. The pivoted or swinging bar to which the traces, or tugs, of a harness are fastened, and by which a carriage, a plow, or other implement or vehicle, is drawn; a whiffletree; a swingletree; a singletree. See Singletree. [ 1913 Webster ]
[ People ] cut their own whippletree in the woodlot. Emerson. [ 1913 Webster ]
2. (Bot.) The cornel tree. Chaucer. [ 1913 Webster ]