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Which Gnetum species grows as a tree and produces edible seeds?
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Gnetophyte
Welwitschia, or tumboa (Welwitschia mirabilis), in Namibia.
The Gnetum species that grows as a tree and produces edible seeds is Gnetum gnemon.21
Native to Southeast Asia and Melanesia, this species typically grows as a tree, with reports of its height ranging from approximately 9 meters (30 feet) to 15β20 meters (50β65 feet) depending on the environment. It is widely cultivated for its edible seeds and leaves; the seeds are often prepared by being pounded into thin wafers and deep-fried until crisp.213