dog's mercury

Names and Synonyms

Common Names

• Dog's Mercury
• dog mercury

Scientific Names

Accepted name

Synonyms

• Mercurialis sylvatica
• Mercurialis cynocrambe
• Mercurialis perennis proles sylvatica
• Mercurialis perennis f. ovatifolia
• Mercurialis alpina
• Mercurialis sylvestris
• Mercurialis perennis var. brachyphylla
• Mercurialis perennis f. glabra
• Mercurialis perennis f. robusta
• Mercurialis perennis f. saxicola
• Mercurialis perennis var. subalpina
• Synema perenne
• Mercurialis perennis subvar. sylvatica
• Mercurialis perennis subvar. alpina

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Mercurialis perennis, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and subclass Magnoliidae, following the order Malpighiales. Furthermore, it is a member of the family Euphorbiaceae within the genus Mercurialis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Mercurialis perennis, exhibits a specific distribution across several northern European regions. It can be found growing naturally throughout the territories of Denmark and Finland. Its presence is also well-documented across the island of Ireland. Furthermore, the species is distributed across Great Britain. Finally, the plant's range extends into the mountainous and coastal landscapes of Norway.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Mercurialis perennis is fundamentally defined by its preference for shaded, stable environments, specifically within the forest habitat. As a perennial herb, it thrives in the nutrient-rich, moist, and humus-laden soils characteristic of deciduous woodland floors. It typically colonizes the understory of broadleaf forests, where it can tolerate varying levels of light, although it reaches its highest density in semi-shaded to shaded conditions. The plant plays a role in the forest floor community, often forming spreading mats through its rhizomatous growth habit, which helps stabilize the soil surface in these woodland ecosystems. Its presence is often indicative of mature, undisturbed forest structures with consistent moisture availability and moderate temperature fluctuations.

Habitat :

forest

Life history

The life history of Mercurialis perennis is characterized by its perennial lifecycle, allowing the plant to persist across multiple growing seasons. It functions as a hemicryptophyte, a life form where the perennating buds are located at the soil surface, protected by leaf litter or soil during unfavorable periods. Within the broader classification of its growth strategies, it exhibits cryptophyte tendencies to ensure survival through dormant phases. Furthermore, the plant is deciduous, shedding its foliage annually as it undergoes seasonal transitions in its environment.

Deciduousness :

deciduous

Life form :

hemicryptophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Mercurialis perennis is characterized by its growth form as a non-woody herb, functioning as a self-supporting plant rather than a climber, liana, or vine. It is a terrestrial species that grows independently, showing no parasitic or epiphytic behavior. In terms of stature, the plant typically reaches a mean height of 0.217 m, with individual specimens ranging from a minimum of 0.15 m to a maximum height of 0.4 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.4 m

Plant height mean:

0.217 m

Plant height min:

0.15 m

Woodiness :

non-woody

Physiology

The physiology of Mercurialis perennis is characterized by a C3 photosynthetic pathway, a common metabolic strategy for temperate woodland species that allows for efficient carbon fixation under moderate light and temperature conditions. The plant exhibits a non-carnivorous nutritional strategy, relying on soil-based nutrient uptake rather than the digestion of prey. Its leaf morphology and resource allocation are reflected in a mean leaf size of 18.905 cm² and a mean Specific Leaf Area (SLA) of 256.83 cm²/g, indicating a relatively thin leaf structure that optimizes light interception within its ecological niche.

Carnivory :

non-carnivorous

Leaf size mean:

18.905 cm²

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

256.83 cm²/g

Reproduction

The reproduction of Mercurialis perennis is characterized by a seasonal flowering period that typically commences in April and concludes in May. The plant relies on sexual reproduction, as both asexual reproduction and self-fertilization are absent, necessitating cross-pollination. This pollination process is mediated by insects, with flies playing a specific role in the syndrome. Once fertilization is successful, the plant produces seeds with a highly variable mass, ranging from a minimum of 0.00215 g to a maximum of 0.0079 g, with a mean seed mass of approximately 0.0058041665 g. The dispersal of these seeds is achieved through an autochorous syndrome, where the seeds are dispersed by the plant's own mechanisms.

Dispersal syndrome :

autochorous

Flowering time :

Apr

Flowering time :

May

Pollination syndrome :

insect

Pollination syndrome :

fly

Reproduction asexual :

absent

Seed mass max:

0.0079 g

Seed mass mean:

0.0058041665 g

Seed mass min:

0.00215 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Mercurialis perennis has 21 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include (+)-trans-Myrtanol, (-)-cis-Myrtanol, 2-PHENYLETHANOL, 3,4-DIMETHOXYPHENOL, 4-Methoxyphenol.

(+)-trans-Myrtanol

1. Phytochemical analysis : PCA

(-)-cis-Myrtanol

1. Phytochemical analysis : PCA

2-PHENYLETHANOL

1. Phytochemical analysis : PCA

3,4-DIMETHOXYPHENOL

1. Phytochemical analysis : PCA

4-Methoxyphenol

1. Phytochemical analysis : PCA

4-methoxy-1-methylpyridine-2,6(1h,3h)-dione

1. Phytochemical analysis : PCA

Carotenes

1. Phytochemical analysis : PCA

Hermidin

1. Phytochemical analysis : PCA

Lutein

1. Phytochemical analysis : PCA

Pheophytins

1. Phytochemical analysis : PCA

Activities

Mercurialis perennis has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antidiabetic, Antihypertensive.

Antidiabetic

1. Plants (Basel, Switzerland)

Antihypertensive

1. Plants (Basel, Switzerland)

Conditions

Mercurialis perennis has 2 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include antidiabetic, antihypertensive.

Antidiabetic

1. Plants (Basel, Switzerland)

Antihypertensive

1. Plants (Basel, Switzerland)