Jeffersonia
Pronunciation : Jef`fer*so"ni*a
Part of Speech : n.
Etymology : [NL. Named after Thomas Jefferson.] (Bot.)
Definition : Defn: An American herb with a pretty, white, solitary blossom, and deeply two-cleft leaves (Jeffersonia diphylla); twinleaf.
Source : Webster's Unabridged Dictionary, 1913