Synonyms (Oxalis stricta): yellow wood sorrel, Oxalis europaea, Oxalis fontana, common yellow woodsorrel, common yellow oxalis, upright yellow-sorrel, pickle plant, sour grass

Leaves are clover-like with 3 heart-shaped leaflets. It is a creeping ground cover that sends plantlets off of its stoloniferous stems that slowly spread outwards in all directions from the main plant.

Oxalis corniculata Common Yellow Woodsorrel) and Oxalis micrantha (Tufted Yellow Woodsorrel). Photo: Yellow Woodsorrel or Oxalis, Oxalis stricta. Among the many yellow woodsorrel uses is a traditional role in daily food preparation.

Stricta is Latin and means "tight, close, straight, drawn together". Wood sorrel, or oxalis, is a medium-sized wild edible weed that thrives in most areas across Canada and the U.S. Oxalis or yellow woodsorrel (Oxalis stricta) is a common cool-season perennial weed that persists almost year-around in Southeastern lawns.

Yellow Wood Sorrel (Oxalis stricta), commonly called Oxalis or sour grass, is a vigorous weed.It is a summer annual -- sometimes perennial -- that thrives in fertile, warm and moist soils and likes shade. Common Yellow Wood Sorrel (Oxalis dillenii) Posted by wildflowers. Flowers have five yellow, clawed petals, fused at the base, and a center of ten yellow stamens arranged around a compound pistil. Telling these two apart can be as easy as a simple observation. The genus, Oxalis, means “sour.” This is a reference to the tangy flavor of the leaves, stems, and flowers – hence its common name of sourgrass. Both Florida native Oxalis species are yellow, making them easy to differentiate from the exotics. Common Yellow Woodsorrel Common yellow woodsorrel, Oxalis stricta , is a native North American plant (also found in Eurasia) which is usually considered a weed. Oxalis stricta, called the common yellow woodsorrel (or simply yellow woodsorrel), common yellow oxalis, upright yellow-sorrel, lemon clover, or more ambiguously and informally "sourgrass" or "pickle plant", is a herbaceous plant native to North America, parts of Eurasia, and has a rare introduction in Britain. You may have seen the pink or purple flowering Oxalis, but these are not native. Plants grow 6 to 18 inches tall, and the leaves are edible yet sour.

Both Florida native Oxalis species are yellow, making them easy to differentiate from the exotics. Common yellow woodsorrel is a perennial herb that dies back to the ground in cold climates, but stays evergreen here where I reside in south-central Florida. The stems are green to purple, erect, branching from the base with alternate leaves that have long petioles. common yellow woodsorrel (usually uncountable, plural common yellow woodsorrels) A low spreading plant with yellow flowers and clover-like leaves, Oxalis stricta. I've never seen that one around here, however. Yellow woodsorrel, a perennial weed, is usually first noticed when it forms yellow flowers from May through September. Woodsorrel (Oxalis stricta) is a weedy wildflower that grows either as a perennial or a hardy annual throughout North America.