dwarf woodsorrel

Oxalis laxa

Member of palmate-leaved oxalis (subgenus Oxalis)
woodsorrels (genus Oxalis)
woodsorrel family (family Oxalidaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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• stem erect, < 20 cm, hairy
• leaf cauline; petiole < 5 cm
• leaflets < 13 mm, hairs sparse, spreading
• inflorescence raceme-like, 6–14-flowered
• sepals < 4 mm mm
• petals < 12 mm, yellow

Toxicity of fire fern, lady's sorrel, oxalis, sorrel, shamrock (Oxalis spp.):
2b – These plants contain oxalate crystals but they do not cause immediate problems. These plants have tiny crystals that lodge in the kidneys and can cause kidney damage as well as nausea, vomiting and diarrhea.

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Chris’s observations: 1 (research grade)

Locations:

• Waterdog Lake & Open Space

Months:

• Mar.: 1

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Not all sites agree about the scientific name:

• Oxalis laxa → iNaturalist – FNA
• Oxalis micrantha → Calflora – CalPhotos – Jepson eFlora

Bay Area species: iNaturalist – Calflora