Oxalis violacea
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Oxalis violacea, the violet wood-sorrel, is a perennial plant and herb in the family Oxalidaceae.[1] It is native to the eastern and central United States.
Description
Oxalis violacea emerges in early spring from an underground bulb and produces leaf stems Template:Cvt tall and flower umbels, or clusters, with up to 19 flowers on stems Template:Cvt tall.[2] The three-part leaves have heart-shaped leaflets. The plant is similar in appearance to small clovers such as the shamrock.
The plant bears lavender to white flowers Template:Cvt wide with white to pale green centers above the foliage, during April or May, rarely to July, and, with rain, sometimes produces additional flowers without leaves from August to October.[2]
Etymology
The genus name, Oxalis, is from the Greek word oxys, which means "sharp" and refers to the sharp or sour taste from the oxalic acid present in the plant.[3][4] The specific epithet, violacea, is Latin for violet-colored.[5]
Distribution and habitat
It is native plant in much of the United States, from the Rocky Mountains east to the Atlantic Ocean and Gulf of Mexico coasts, and through Eastern Canada. It has a tendency to cluster in open places in damp woods and on stream banks, and in moist prairies.[1]
Conservation
The plant's conservation status is globally secure;[6] however, it is listed as endangered in Massachusetts[7] and Rhode Island,[8] threatened in New York,[9] and a species of special concern in Connecticut.[10] It is presumed extirpated in Michigan.[11]
Uses
Medicinal
Oxalis violacea was used as a medicinal plant by Native Americans, including the Cherokee and Pawnee peoples.[12]
Culinary
All parts of the plant are edible – flowers, leaves, stems, and bulb. Oxalis is from the Greek word meaning sour, and this plant has a sour juice. It is used in salads. Moderate use of plant is advisable, as it should not be eaten in large quantities due to a high concentration of oxalic acid, ("salt of lemons") which can be poisonous.[13]
It was a traditional food source of the Native American Apache, Cherokee, Omaha, Pawnee, and Ponca peoples.[12]
Cultivation
Oxalis violacea is cultivated as an ornamental plant, for use as a flowering groundcover or perennial plant in traditional and native plant gardens, and for natural landscaping projects.[14] It spreads rapidly by runners and bulbs.[15] In gardens the plant prefers partial shade and moisture.[15]
References
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