|This genus consists of evergreen trees and shrubs that are a genus cross between Citrus and Fortunella. Leaves are medium to dark green, smooth, oval, and slightly keel-shaped. They are also waxy and slightly toothed. Flowers are white and fragrant and give rise to ornamental yellow, green, or orange fruit that looks like a miniature orange. As a houseplant, grow in full sun where air circulation is superb. Water well with fertilizer every 2 to 3 weeks.