Yellow Wood Sorrel
Oxalis stricta
Family:
Wood Sorrel (Oxalidaceae)
AKA:
Common Yellow Oxalis, Sour Grass
Photo taken on:
September 23, 2011
Location:
White Rock, NM
Life Zones:
Plains to montane
Habitat:
Gardens, woods, moist canyons
Very low growing plant with shamrock-like leaves. The leaves are edible but have a sour taste. The leaves fold back at night. Considered an invasive weed by gardeners.
Flora of North America reference.