curly dock

(curled dock)
Rumex crispus

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

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• inner perianth lobe margin generally entire (if toothed or notched, teeth or notches < 0.3 mm)
• inflorescence generally dense
• pedicels (3)4–8 mm
• inner perianth lobes 3.5–6 mm, 3–5 mm wide
• tubercles generally 3, at least 1 larger, > 1 mm wide, but all generally ≪ ⅓ inner perianth lobe width [illustration]
• leaf margin strongly wavy, especially near base
• very common

Toxicity of curly dock, spurdock (Rumex crispus):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.
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.
A higher-level taxon has differing toxicity.

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Chris’s observations: 45 (16 are research grade)

Locations:

• Henry Coe SP: 5
• Skyline Ridge OSP: 5
• Joseph D. Grant CP: 4
• Fremont Older OSP: 3
• Murray Ranch SP: 3
• Sweeney Ridge National Recreation Area: 3
• Almaden Quicksilver CP: 2
• Coyote Hills RP: 2
• Purisima Creek Redwoods OSP: 2
• Russian Ridge OSP: 2
• Bear Creek Redwoods OSP
• Calero CP
• Coal Creek OSP
• Garrapata SP
• La Honda Creek OSP
• Lexington Reservoir CP
• Monte Bello OSP
• Pinnacles NP
• Rancho Cañada del Oro OSP
• San Bruno Mountain State & County Park
• San Pedro Valley CP
• San Tomas Aquino Creek Trail
• Santa Teresa CP
• Sibley Volcanic RP

Months:

• Feb.: 1
• Mar.: 1
• Apr.: 3
• May: 11
• Jun.: 10
• Jul.: 9
• Aug.: 4
• Sep.: 2
• Oct.: 1
• Nov.: 2
• Dec.: 1

For more details, use advanced search.

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

Bay Area species: iNaturalist – Calflora