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''Gunnera manicata'', or giant rhubarb, a native to South America from Colombia to Brazil, is a species of flowering plant in the Gunneraceae family. It is a large, clump-forming herbaceous perennial growing to tall by or more. The leaves of Gunnera grow to an impressive size. Leaves with diameters well in excess of are commonplace, with a spread of by on a mature plant. The underside of the leaf and the whole stalk have spikes on them. In early summer it bears tiny red-green flowers in conical branched panicles, followed by small, spherical fruit. However, it is primarily cultivated for its massive leaves.〔 This plant grows best in damp conditions e.g. by the side of garden ponds, but dislikes winter cold and wet. It has gained the Royal Horticultural Society's Award of Garden Merit. Despite the common name, this plant is not closely related to the rhubarb. However, according to the San Francisco Botanical Gardens 'Collection' page it is edible when young.Peel the leaf stems, slice and enjoy raw in salads. This plant is also commonly found on the Isle of Arran in Scotland, where it is picked and used as umbrellas by locals traditionally on the night after the highland games. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gunnera manicata」の詳細全文を読む スポンサード リンク
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