Actaea spicata

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant, known as Actaea spicata, exhibits a specific geographical distribution across several Northern European regions. It can be found growing within the borders of Denmark and Finland. Furthermore, its presence extends to the landscapes of Great Britain. The species is also well-documented throughout the territories of Norway. Finally, it completes its regional range by inhabiting various parts of Sweden.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Actaea spicata is characterized by its preference for forest environments, where it thrives within the shaded and moist understory of woodland ecosystems. This species is specifically adapted to high-altitude conditions, maintaining a significant presence at an average elevational range of approximately 3000 m AMSL. These montane forest habitats provide the necessary stable microclimate, organic soil composition, and filtered light required for its growth and reproductive success.

Elevational range mean:

3000 m AMSL

Habitat :

forest

Life history

The life history of Actaea spicata is characterized by its existence as a perennial plant, allowing it to persist in its habitat through multiple growing seasons. As a cryptophyte, it utilizes specialized underground structures to survive unfavorable conditions, specifically functioning as a geophyte where its vital organs are protected beneath the soil surface. This plant follows a deciduous pattern, shedding its foliage annually in response to seasonal changes.

Deciduousness :

deciduous

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Actaea spicata is characterized by its growth form as a non-woody herb and forb. It is a self-supporting plant, meaning it does not function as a liana or vine, and it grows as an independent organism rather than as a parasite or epiphyte. The plant is primarily terrestrial in its habitat. In terms of stature, it maintains a relatively low profile, with a plant height that typically ranges from a minimum of 0.3 m to a maximum of 0.75 m, resulting in an average height of approximately 0.408 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.75 m

Plant height mean:

0.408 m

Plant height min:

0.3 m

Woodiness :

non-woody

Physiology

The physiology of Actaea spicata is characterized by a C3 photosynthetic pathway, which facilitates carbon fixation through the standard Calvin cycle typical of many shade-tolerant forest perennials. The plant exhibits a mean leaf size of 219.4125 cm², reflecting a significant surface area optimized for light interception in its native habitats. Furthermore, it possesses a Specific Leaf Area (SLA) with a mean value of 373.3 cm²/g, a metric that suggests a relatively high degree of leaf plasticity or thinness relative to its biomass, aiding in efficient gas exchange and light harvesting. Regarding its nutritional strategy, the species is strictly non-carnivorous, relying entirely on soil-based nutrient uptake rather than the digestion of prey.

Carnivory :

non-carnivorous

Leaf size mean:

219.4125 cm²

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

373.3 cm²/g

Reproduction

The reproduction of Actaea spicata is characterized by a sexual reproductive cycle that relies on biotic interactions, as asexual reproduction is entirely absent. The flowering period typically begins in May and concludes in June. During this time, the plant utilizes a biotic pollination syndrome, specifically attracting insects such as beetles to facilitate fertilization; notably, self-fertilization is absent, ensuring genetic diversity through cross-pollination. Following successful fertilization, the plant produces fruit classified as a berry. These fruits are indehiscent in nature, with a mean fruit width of 1.1 cm. The seeds contained within the fruit are quite small, exhibiting a minimum mass of 0.0059 g, a maximum mass of 0.00696 g, and a mean seed mass of approximately 0.0444 g. Dispersal is achieved through a zoochorous strategy, specifically via endozoochory, where seeds are dispersed after being consumed by animals.

Dehiscence :

indehiscent

Dispersal syndrome :

zoochorous

Dispersal syndrome :

endozoochorous

Flowering time :

May

Flowering time :

Jun

Fruit type :

berry

Fruit width mean:

1.1 cm

Pollination syndrome :

insect

Pollination syndrome :

beetle

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.00696 g

Seed mass mean:

0.0444216666666667 g

Seed mass min:

0.0059 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Actaea spicata has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Protoanemonin, trans-Aconitic acid.

Protoanemonin

1. Dr. Duke

trans-Aconitic acid

1. Dr. Duke

Activities

Actaea spicata has 23 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antibiotic, Antifeedant, Antileukemic, Antimitotic.

Antibacterial

1. Dr. Duke

Antibiotic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antileukemic

1. Dr. Duke

Antimitotic

1. Dr. Duke

Antimutagenic

1. Dr. Duke

Antipyretic

1. Dr. Duke

Antiseptic

1. Dr. Duke

Antitumor

1. Dr. Duke

Antiviral

1. Dr. Duke