Alderney late 300s, at above the island's only natural harbour. The etymology of the island's name is obscure. It is known in Latin as "Riduna" but as with the names of all the Channel Islands in the Roman period there is a degree of confusion. "Riduna" may be the original name of Tatihou, while Alderney is conjectured to be identified with "Sarnia". "Alderney"/"Aurigny" is variously supposed to be a Germanic or Celtic name. It may be a corruption of "Adreni" or "Alrene", which is probably derived from an Old Norse word meaning "island near the coast". Alternatively it may derive from
Vanilla production in French Polynesia influenced by several factors and has declined from a high of 200 tons to a 2013 yield of 60 tons. The largest concentration of the vanilla variety "Vanilla tahitensis" (Tahitian vanilla) is situated in the Society Islands. The island of Taha'a, known as the "Vanilla Island" because of its pervasive aroma of vanilla, produces about 80% of all French Polynesia's vanilla. "Vanilla tahitensis" (Tahitian vanilla), which is a cross-strain of "Vanilla planifola" (Mexican vanilla and Bourbon vanilla) and "Vanilla odorata" (Inflated Vanilla), is produced in French Polynesia, especially in Tahiti, and also Hawaii. Its pods have fewer seeds than "Vanilla