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 Heart âfluttersâ: Not only can the heart rate speed up, but it can also flutter wildly due to excessive caffeine consumption.  Muscle spasms: This is a sign that youâre getting entirely too much caffeine. An excess can lead to involuntary muscle cramps, twitches, and spasms.