Whilst taking my lunchtime constitutional along Tandy Street in the West Meadowbrook neighborhood of Fort Worth, Texas, I (almost literally) stumbled upon this big acorn. Ever vigilant to learn more about nature, I examined it. This acorn, with a fringed cup, is about 2 inches. My tree book (I have a dandy one called Trees of Texas– well illustrated, easy to read, I recommend it)… anyway, my tree book confirms that this acorn fell from a quercus macrocarpa, aka “burr oak”. Macrocarpa means “big fruit”. So… there you have it.