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It has leaves divided into four and has been called "lucky leaf" and even "four-leaf clover", but it is not a true clover. Related to the Common Wood-sorrel (O. acetosella), it is commonly used as an ornamental plant. It is also edible, the flowers and leaves having a sharp lemon flavor. However, since the oxalic acid in the plant can interfere with the absorption of certain nutrients in the body, especially calcium, too much can be harmful.
© Renata Darabant