[pen.ste.mon] n [NL, fr. penta- + Gk stemon warp, thread--more at stamen] (1760): any of a genus (Penstemon) of chiefly American herbs of the snapdragon family with showy tubular flowers
PENSTEMON
Meaning of PENSTEMON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012