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Hercules Club Zanthoxylum clava-herculis
2009-06-17 12:23:44

Hercules' Club (Zanthoxylum clava-herculis), also known as Pepperwood, Southern Prickly Ash, and other common names, is a species of shrub native to the southeastern United States. This tree is also called Z. macrophyllum. It is commonly nicknamed "toothache tree" or "tingle tongue" because of the numbness to the mouth, teeth and tongue it induces when the leaves or bark is chewed on. The...

Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.