Semanggi, Aquatic fern and local dish in Jakarta, Indonesia
Semanggi is an aquatic fern that grows in rice paddies and irrigation channels across Indonesia, with four small leaflets arranged in a cross shape. The leaves are harvested while still young and tender, then eaten as a vegetable, most often steamed or briefly boiled.
Semanggi has been gathered and eaten since the earliest farming communities built irrigation systems to grow rice across the Indonesian archipelago. As wet rice cultivation spread through Java and other islands, the fern became a steady part of everyday eating.
Semanggi gives its name to a street food dish from Surabaya, where vendors serve the steamed fern on banana leaves topped with a sweet potato and peanut sauce. Watching vendors prepare and sell the dish on the street is itself part of the local experience.
Fresh leaves are easy to find at local markets in Jakarta and Surabaya, and the street dish is sold by vendors who often carry their wares on foot through market areas. It is best eaten on the spot, as the leaves lose their texture once they cool down.
Semanggi is also the name of a large highway cloverleaf interchange in Jakarta, one of the most recognizable landmarks in the city. The four-leaflet shape of the plant is said to have inspired the name of the interchange, given how closely it resembles the road layout from above.
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