[Week #1 Wildflowers]


#10. Sour Grass/ Wood Sorrel


Scientific Name:

Oxalis oregana (34K)


Family Name:

Oxalis Family


Habitat:

Moist shady woods


Characteristics:

1. Sensitive leaves fold at night or when touched.

2. White, pink or yellow flowers. The flower of Pacific Northwest forests is white or pinkish with reddish stripes in the flower's throat.

3. Three clover-like leaves. The leaves are sensitive to sunlight, folding in shade, opening when exposed to light.

4. The flower is on a separate stalk than the leaves.

5. The plant spreads to make thick forest floor carpets via underground stems.


Uses or Importances:

1. Oxalic acid (same as produced by stomach) good for digestion.

2. Sour taste. The taste is of sour apples.

3. Leaves & flowers can be eaten in salads or raw.

4. Laxative if eaten in large amounts.

5. An interesting an pretty flower and foliage for shady places in the yard.


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Paul Slichter