American Crabapple Malus coronaria. A deciduous tree from the Rose Family (Rosaceae) Crabapple, American. American Crabapple, also known as Wild Crabapple or Sweet Crabapple, is present throughout all of Ohio, and predominates as a spreading tree native to the upper two-thirds of the Eastern United States, especially the Midwestern States.
The symptoms of caffeine overdose might include restlessness, nervousness, excitement, flushed face, insomnia, cardiac arrhythmia (or irregular heartbeat), muscle twitching, irritability, gastrointestinal problems, and a rambling flow of thought and speech.
1 Muscle spasms: This is a sign that youâre getting entirely too much caffeine. An excess can lead to involuntary muscle cramps, twitches, and spasms.  Difficult speech: Itâs true that caffeine will make it easier to concentrate, but the stimulant effects mean that your speech and thought can speed up as well.