delphinium
del.phin.i.um \del-'fin-e--*m\ n [NL, genus name, fr. Gk delphinion larkspur, dim. of delphin-, d]elphis dolphin : any of a large genus (Delphinium) of the crowfoot family of chiefl y perennial erect branching herbs that have palmately divided leaves and irregular flowers in showy spikes and include several that are poisonous