Nut (fruit) usage of the term is less restrictive, and many nuts (in the culinary sense), such as almonds, pecans, pistachios, walnuts, and Brazil nuts, are not nuts in a botanical sense. Common usage of the term often refers to any hard-walled, edible kernel as a nut. A nut in botany is a simple dry fruit in which the ovary wall becomes increasingly hard as it matures, and where the seed remains unattached or free within the ovary wall. Most nuts come from the pistils with "inferior" ovaries (see flower) and all are "indehiscent" (not opening at maturity). True nuts are produced,
Nut Tree Railroad the railroad in the Nut Tree Family Park. In January 2009, the Family Park closed again. In July 2009, developer Westrust bought the property and reopened the Nut Tree Railroad, adding a carousel and children's park to the Nut Tree Plaza that August. Currently, the Nut Tree Train is back and sporting an environmentally friendly "green" bio-diesel engine. The Nut Tree mascot, Choo Choo, is available for children's events and special appearances. Nut Tree Railroad The Nut Tree Railroad is a mini-railroad within the Nut Tree Plaza in Vacaville, California. The Nut Tree Railroad was started in 1953 to serve