Broad-leaved dock
Rumex obtusifolius L.
- light
- —
- water
- —
- tall
- 95 cm
- wide
- —
Polygonaceae
Also called Bitter dock, Broadleaf dock, Bitter Dock, Broad-leaved Dock, Butter Dock
Formerly Acetosa obtusifolia, Lapathum obtusifolium
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- PerennialKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- Europe to C. Siberia and Iran, NW. AfricaKew's checklist, not yet checked
- Height
- 41 cm to 1.5 mRead from Wikipedia, one source
- Flowers
- Red, greenRead from Wikipedia, one source
Not known yet: light, spread, water, coldest it survives, heat, hottest it survives.
In other languages (12)
- French
- Oseille à feuilles obtuses, Patience à feuilles obtuses, Patience sauvage
- Spanish
- Lengua de vaca, Acedera
- root
- RUMOBT, carbaza, kubbut hømilia
- Finnish
- tylppälehtihierakka, tylppöhierakka
- German
- Stumpfblättriger Ampfer
- Portuguese
- Língua-de-vaca
- Czech
- šťovík tupolistý
- Polish
- szczaw tępolistny
- Dutch
- ridderzuring, Ridderzuring
- Chinese
- 大羊蹄, 土大黄, 土大黄叶
- Danish
- Butbladet skræppe
- Russian
- Щавель туполистный
Where this comes from
- iNaturalist, read 2026-10-25, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- iNaturalist, read 2026-10-25, CC BY-SA
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY-SA
- 3D model: Rumex obtusifolius (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.