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Woodsorrel (Oxalis, Xanthoxalis)

   Woodsorrel, Upright Yellow Woodsorrel (Xanthoxalis stricta), fam. Oxalidaceae.
   A forest plant and city weed. Easily recognized by ternary leaves, each leaflet of those can fold in half.

Yellow Woodsorrel


   Iron Cross, Lucky Clover, or Four-leaved Pink-Sorrel (Oxalis tetraphylla) – ornamental plant which leaves are four-lobed and have spots in the center.

Iron Cross