This is by no means an exhaustive list of all available Web resources for a particular genus. If you like this page, you should also visit the Land of the Glandular Trichomes , a microscopic look at plants in the Lamiaceae family.
Citrus can be highly important crop trees or prized ornamental trees and shrubs.
These plants yield fleshy berries with a leathery skin containing glands that secrete essential oils. Go here to learn how citrus products are harvested and marketed. Visit the Florida Chemical Co., Inc. to learn more about the commercial products that can be derived from citrus skins. Florida State University has a photo gallery of micrographs, pictures of crystalline substances viewed through a microscope. A Guide to Natural Foods.