SimplePlant

Polygonaceae

Curled dock

Rumex crispus L.

Family
Polygonaceae
Genus
Rumex

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Curled dock (Rumex crispus)
FlowerPhoto: Catherine C. Galley, CC BY 4.0, from iNaturalist

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Common names

By language (15)
Arabic
حماض جعد, حماض مجعد
Catalan
Paradella crespa, Patience crépue
Chinese
小酸模, 牛耳大黄, 牛耳大黄叶, 羊蹄, 酸模, 酸模叶
Corsican
Rumiccia
Danish
Rødskræppe
English
Curled dock, Curly dock, Yellow dock
French
Oseille crépue, Oseille à feuilles de patience, Parelle, Patience crépue
German
Grottenstengel, Patience crépue, Roter-Heinrich
Irish
An chopóg chatach
Italian
Lapazio, Romice crespa
Lithuanian
Patience crépue
Portuguese
Azeda-crespa, Labaca-crespa
Romanian
Ștevie creață
Spanish
Aceda de culebra, Acedera, Acedera brava, Acedera de perro, Acedera de sapo, Acederones, Acederón, Aciderones
Swedish
Kaffeväxt, Krussyra, Patience crépue, Svinsyra

Synonyms

  • Lapathum crispum Garsault
  • Lapathum crispum (L.) Scop.
  • Rumex odontocarpus (Sándor ex Borbás) Borbás

Flowers

In flower
April to July (from 477 flowering iNaturalist observations worldwide)

Characteristics

Growth habit
Forb/herb
Lifespan
Perennial
In the US and Canada
Alaska: introduced, Canada: introduced, Hawaii: introduced, Lower 48 states: introduced, Puerto Rico: introduced, St. Pierre and Miquelon: introduced

Photos

More in Rumex

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.