clustered dock

Rumex conglomeratus

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 ± open (between whorls)
• pedicels 1–4(5) mm, generally ± ≥ inner perianth
• flowers are “clustered” close to the stem
• inner perianth lobes 2–3 mm, 1–1.6(2) mm wide
• tubercles 3, ± equal, almost as wide as lobe [illustration]
• leaf margin ± flat
• 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: 17 (4 are research grade)

Locations:

• Henry Coe SP: 2
• Murray Ranch SP: 2
• Almaden Quicksilver CP
• Coyote Lake / Harvey Bear Ranch CP
• Dimond Canyon Trail, Oakland
• Golden Gate National Recreation Area
• Huckleberry Botanic RP
• Pescadero Creek CP
• Purisima Creek Redwoods OSP
• Santa Teresa CP
• Sibley Volcanic RP
• Sierra Azul OSP
• Skyline Ridge OSP
• Stevens Creek CP
• Sweeney Ridge National Recreation Area

Months:

• Apr.: 1
• May: 2
• Jun.: 4
• Jul.: 3
• Aug.: 4
• Sep.: 0
• Oct.: 0
• Nov.: 1
• Dec.: 2

For more details, use advanced search.

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

Bay Area species: iNaturalist – Calflora