willow dock

Rumex salicifolius

Member of docks (genus Rumex)
knotweed family (family Polygonaceae)
dicots (class Magnoliopsida)
other colors in flowering plants

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• generally with leafy axillary shoots below terminal inflorescence
• 1–3 conspicuous perianth tubercles
• common

Toxicity of dock, sorrel (Rumex 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: 2 (none are research grade)

Locations:

• Joseph D. Grant CP
• Sweeney Ridge National Recreation Area

Months:

• Apr.: 1
• May: 0
• Jun.: 1

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora