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Tag: Pisonia grandis

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Is Sea Lettuce Tree Edible? Separating a Toxic Tree from Edible Seaweed

3 min read
The common name 'sea lettuce' causes significant confusion because it refers to two completely different organisms: the edible seaweed (*Ulva lactuca*) and the potentially toxic tree (*Pisonia grandis*). Clarifying if the sea lettuce tree is edible is a matter of botanical identification and serious safety concerns, as they are not interchangeable.