Polygonaceae
Red dock
Rumex bucephalophorus
- Family
- Polygonaceae
- Genus
- Rumex
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Common names
By language (8)
- Arabic
- حُمَّيْض رَأس الثَّوْر
- Catalan
- Agrella borda, Vinagrella borda
- English
- Red dock
- Finnish
- Häränpäähierakka
- German
- Stierkopf-Ampfer, Ochsenkopf-Ampfer
- kab
- Asemmum
- Spanish
- Vinagrera borde, Vinagrera portuguesa, Vinagrillos
- Swedish
- Oxhornssyra
Synonyms
- Acetosa aculeata Chaz.
- Acetosa bucephalophora Fourr.
- Acetosa cretica (Rech.f.) Holub
- Bucephalophora aculeata Pau
- Bucephalophora aculeata f. plagiotropica P.Silva
- Lapathum bucephalophorum (L.) Lam.
- Rumex bucephalophorus subsp. graecus (Steinh.) Rech.f.
- Rumex bucephalophorus subsp. hipporegii (Steinh.) Rech.f.
- Rumex bucephalophorus var. aculeatus Gürke
- Rumex bucephalophorus var. graecus Steinh.
- Rumex bucephalophorus var. hipporegii Steinh.
- Rumex bucephalophorus var. tetracanthus Beck
- Rumex bucephalophorus var. uncinatus Boiss.
- Rumex creticus Campd.
- Rumex platycarpus Batt.
Flowers
- In flower
- February to May (from 145 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced
Photos
FlowerPhoto: Mehdi Chetibi, CC BY 4.0, from iNaturalist 
FlowerPhoto: zebedeugalinha, CC BY 4.0, from iNaturalist 
FlowerPhoto: Duarte Frade, CC BY 4.0, from iNaturalist 
FlowerPhoto: Mehdi Chetibi, CC BY 4.0, from iNaturalist 
Photo: Ixitixel, CC BY-SA 3.0, from Wikimedia Commons 
Photo: muffinn from Worcester, UK, CC BY 2.0, from Wikimedia Commons 
Photo: jacilluch, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Luis Fernández García, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Luis Fernández García, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Rumex
- Common sorrelRumex acetosaPolygonaceae
- Common sheep sorrelRumex acetosellaPolygonaceae
- Curled dockRumex crispusPolygonaceae
- Bitter dockRumex obtusifoliusPolygonaceae
- Water dockRumex hydrolapathumPolygonaceae
- Clustered dockRumex conglomeratusPolygonaceae
- Golden dockRumex maritimusPolygonaceae
- Patience dockRumex patientiaPolygonaceae
- Alpine dockRumex alpinusPolygonaceae
- Dooryard dockRumex longifoliusPolygonaceae
- Compact dockRumex thyrsiflorusPolygonaceae
- Red-veined dockRumex sanguineusPolygonaceae
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.