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Oxalis Facts

Oxalis Facts
Oxalis is herbaceous plant that belongs to the wood sorrel family. There are more than 800 species of oxalis that can be found all over the world, except in the polar regions. These plants are especially widespread and numerous in Brazil, Mexico and South Africa. Oxalis grows in areas with tropical and temperate climate, on the light, well-drained soil, exposed to direct sunlight or in the partial shade. It can be found in the fields, forests, along the roads and in the wastelands. People cultivate oxalis in ornamental purposes and as a source of food.
Interesting Oxalis Facts:
Oxalis is low-growing plant that can reach 6 to 10 inches in height.
Oxalis has tuberous, succulent root that can be yellow, orange-red, apricot or pink colored.
Oxalis has clover-like leaves composed of 3 (or rarely more) triangular or rounded leaflets. Leaves can be green or purple colored. They respond to darkness by folding backwards.
Oxalis produces white, yellow, rose-purple or pink flowers. They grow individually on top of the flowering stalks. Flowers contain both types of reproductive organs (perfect flowers).
Oxalis blooms during the spring and summer. Flowers are rich source of nectar which attracts bees, butterflies and flies, main pollinators of these plants.
Fruit of oxalis is small capsule filled with few seed.
Oxalis propagates via seed and bulbils (small underground stems with fleshy leaves).
Entire plant has slightly acidic taste, hence the name "oxalis" ("oxys" means "sour" in Greek).
Oxalis is also known as "wood sorrel". Despite its name, oxalis is not closely related with true sorrels. Another common name, "false shamrock", refers to clover-shaped leaves of this plant.
Oxalis is rich source of vitamin C. All parts of the plant are edible. Leaves have pleasantly sour taste and they are often consumed in the form of salads. Oxalis was very popular among sailors in the past, who consumed leaves of this plant on a regular basis to prevent development of scurvy (disorder induced by deficiency of vitamin C). Starchy tubers are used for the preparation of various soups and sauces. Oxalis can be also consumed in the form of tea.
People diagnosed with kidney stones, arthritis and gout should avoid consumption of oxalis due to high content of oxalic acid.
Native Americans used oxalis (mixed with sugar) for the preparation of sweet desserts. They also used this plant in treatment of fever, nausea and sores in the mouth.
Oxalis contains substances which can improve digestion and facilitate elimination of excess water from the body.
Yellow wood sorrel (type of oxalis) can be used as a source of yellow and orange dye.
Oxalis can grow as annual (lifespan: one year) or perennial (lifespan: two years) plant, depending on the species.


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