Acid-less orange – Acid-less oranges have very little acid, hence little flavor. How many should I order? You may choose an alternative citrus (such as non-Seville oranges). Why create this guide? The Seville orange (the usual name in this context) is prized for making British orange marmalade, being higher in pectin than the sweet orange, and therefore giving a better set and a higher yield.Once a year, oranges of this variety are collected from trees in Seville and shipped to Britain to be used in marmalade. Navel oranges have comparatively thick skins and a characteristic navel-looking mark on the non-stem end. Of the navels, the most common types are the Cara cara, Bahia, Dream navel, Late Navel and Washington or California Navel. Navels are sweet, seedless, and perfect for eating out-of-hand; but they are also delicious in salads. Honeybell Tangelos; Baby Bells; Tangerines. However, the fruit is rarely consumed locally in Andalusia. Navel oranges are the most common variety of orange that is eaten. Navel Oranges; Sugarbelles; Red Navel Oranges; Temple Oranges; Tangelos. Navel oranges are in season from November into June. Navel orange – The navel orange is of great commercial import and we know it well as the most common orange sold at the grocers. Oranges. Gift Baskets; Treats; Free Shipping; Overview. Since Seville oranges are rife with seeds, which makes slicing them difficult since you have to keep moving the seeds around with your slippery fingers, while trying to cut the oranges, then finding more, and fishing around deeper inside to extract more, plucking them out, etc… Each Seville orange has perhaps twenty to thirty inside.