1. A yellow flowered evening primrose (Taraxia, syn. Oenothera, ovata) native of California

Derived forms: suncups

• instrumentate
• instrumentation
• insubordinate
• insubordination
• insubstantial
• insubstantiality
• insubstantially
• insufferable
• insufferably
• insufficiency
• insufficient
• insufficiently
• insufflate
• insufflation
• insulant
• insular
• insularism
• insularity
• insulate
• insulating material
• insulating tape
• insulation
• insulator
• insulin
• insulin reaction