Horned Dock

Names and Synonyms

Common Names

• Horned Dock
• red dock
• ruby dock

Scientific Names

Accepted name

Synonyms

• Bucephalophora aculeata
• Acetosa bucephalophora
• Lapathum bucephalophorum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Caryophyllales and the family Polygonaceae. Finally, its taxonomic placement is completed within the genus Rumex.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several regions of Europe. In Middle Europe, it can be found growing within Germany. Its presence extends into Southwestern Europe, where it inhabits the islands of Baleares and Corse. Additionally, the species is recorded in the mainland territory of France. Finally, the distribution reaches the coastal areas of Portugal.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Rumex bucephalophorus is defined by its ability to inhabit a broad vertical gradient across diverse mountainous and sub-montane landscapes. This species demonstrates significant environmental plasticity, occupying a wide elevational range that extends from as low as 100 m AMSL to altitudes reaching a maximum of 1700 m AMSL. This distribution pattern suggests an adaptability to varying climatic conditions, ranging from warmer, lower-altitude habitats to the cooler, more temperate environments found at higher elevations. Such a wide altitudinal span allows the plant to persist in a variety of ecological niches, potentially interacting with diverse soil compositions and moisture regimes found throughout these different topographic layers.

Elevational range max:

1700 m AMSL

Elevational range min:

100 m AMSL

Life history

The life history of Rumex bucephalophorus is characterized by its classification as an annual plant, meaning it completes its entire developmental cycle—from germination to seed production—within a single growing season. In terms of its ecological strategy and structural growth, it is categorized as a therophyte, a life form that survives unfavorable environmental periods primarily in the form of seeds. This life form allows the species to persist in its habitat by avoiding seasonal stresses through a dormant seed stage rather than maintaining vegetative structures above ground.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Rumex bucephalophorus is characterized by its growth form as a non-woody herb and forb. The plant is independent, functioning as a terrestrial organism that can inhabit aquatic, semiaquatic, or terrestrial environments. It exhibits a self-supporting habit rather than acting as a climber, liana, or vine. The shoots maintain an ascending orientation, reaching a plant height that typically ranges from a minimum of 0.05 m to a maximum of 0.4 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.4 m

Plant height min:

0.05 m

Shoot orientation :

ascending

Woodiness :

non-woody

Physiology

The physiology of Rumex bucephalophorus is characterized by specific vegetative dimensions and morphological structures that define its leaf development and surface area. The plant exhibits a leaf form that is predominantly ovate, a shape optimized for light interception and photosynthetic efficiency. These leaves vary in size, with a minimum length of 2 cm and a maximum length reaching up to 3 cm. Correspondingly, the lateral expansion of the foliage is regulated within a width range of 1 cm to 1.5 cm. This specific ratio of length to width and the ovate geometry contribute to the plant's overall biomass accumulation and its ability to manage gas exchange and transpiration within its physiological processes.

Leaf form :

ovate

Leaf length max:

3 cm

Leaf length min:

2 cm

Leaf width max:

1.5 cm

Leaf width min:

1 cm

Reproduction

The reproduction of Rumex bucephalophorus is characterized by a sexual process involving bisexual flowers. The flowering period begins in February and concludes in June, following a seasonal cycle. The pollination mechanism is categorized as biotic, specifically utilizing an insect pollination syndrome to facilitate fertilization. Notably, self-fertilization is absent in this species, emphasizing the importance of external agents for successful reproduction. Following fertilization, the plant produces a high volume of seeds, with a count ranging between 101 and 1000 seeds per fruit. These seeds are extremely lightweight, maintaining a consistent mass of approximately 0.00114 g (with minimum, maximum, and mean values all recorded at this figure). Dispersal is achieved through a zoochorous syndrome, specifically via epizoochory, where seeds are transported by attaching to animals.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

epizoochorous

Flowering time :

Feb

Flowering time :

Jun

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction sexual :

bisexual

Seed mass mean:

0.00114 g

Seeds_per_fruit :

101-1000

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rumex bucephalophorus has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root.

Root

1. Journal of natural products

Chemicals

Rumex bucephalophorus has 3 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 3,5,4'-Trihydroxystilbene, 3,5-Dihydroxy-4'-methoxystilbene, resveratrol.

3,5,4'-Trihydroxystilbene

1. Journal of natural products

3,5-Dihydroxy-4'-methoxystilbene

1. Journal of natural products

resveratrol

1. Journal of natural products