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Creeping Wood Sorrel
Oxalis corniculata


creeping woodsorral
Oxalis corniculata Creeping wood sorrel has small yellow flowers.  One variety has purple leaves, and is sometimes used as a ground cover.









creeping woodsorral
Oxalis corniculata More often, it is a very persistent weed in lawns and gardens.










creeping woodsorral
Oxalis corniculata  This is a stolon, a stem that grows horizontally on or under the surface of  the soil. See how it put out roots at the nodes. It also produces upward shoots from some nodes. When the stolon is broken, or part of it dies, the shoots become independent plants (clones of the plant the stolon started from). This is a form of asexual reproduction.







creeping woodsorral
Oxalis corniculata Here is the fruit of the wood sorrel.  When mature, at a touch, each of these pods will explode.  they can shoot sticky seeds a considerable distance.









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