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Oxalis oregana facts for kids

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Oxalis oregana
Oxalis oregana 4988.JPG
Redwood sorrel
Scientific classification

Oxalis oregana , known as redwood sorrel or Oregon oxalis, is a species of the wood sorrel family, Oxalidaceae, in the genus Oxalis native to moist Douglas-fir and coast redwood forests of western North America from southwestern British Columbia to Washington, Oregon, and California.


Oxalis oregana 001
Flowers occur singly; the sepal length is 5–10 mm and that of the petal is 13–20 mm.

Oxalis oregana is a short, herbaceous perennial with erect flowering stems 5–15 cm tall. The three leaflets are heart-shaped, 1–4.5 cm long with purplish undersides, on 5–20 cm stalks. The inflorescence is 2.4–4 cm in diameter, white to pink with five petals and sepals. The hairy five-chambered seed capsules are egg-shaped, 7–9 mm long; seeds are almond-shaped.

As food

The leaves of Oxalis oregana were eaten by the Cowlitz, Quileute and Quinault peoples. Like spinach, they contain mildly toxic oxalic acid, which is named after the genus. They are safe to eat in small amounts for those with no oxalate-related conditions.

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