Is This A Woodland Plant Or An Invasive Weed?

Oxalis regnelli

This an outside plant. It is green with tin white flowers. During the day the e leaves are out straight. At dusk, they lay down like a tiny umbrella. Judy

Flower Shop Network Plant Expert Reply:
The plant is most likely Oxalis regnelli. For some this is invasive weed. Others it is a beautiful woodland plant. It is one of 500 species of Oxalis which be found as fibrous-rooted, bulbous, rhizomatous, or tuberous annuals or perennials.  They are progated from seed or by division.  Some form of Oxalis are called Shamrocks and are given as gifts on St Patrick’s Day.

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