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DescriptionA large brown kelp, which has a long undivided frond, without midrib and with a short stipe. The frond of Saccharina latissima has a distinctive frilly undulating margin. It lives for 2 to 4 years and grows quickly from winter to April.Also known as sugar kelp and sea-belt. The name sugar kelp refers to a whitish, sweet-tasting powder which forms on the dried frond.