chocolate-vine

Names and Synonyms

Common Names

• chocolate-vine
• three-leaf akebia

Scientific Names

Accepted name

Synonyms

• Akebia lobata var. quercifoliata
• Akebia lobata var. chaffanjonii
• Akebia trifoliata f. dapanshanensis
• Akebia sempervirens
• Akebia trifoliata var. australis
• Akebia trifoliata subsp. australis
• Akebia trifoliata var. clematifolia
• Akebia trifoliata var. honanensis
• Akebia trifoliata var. integrifolia
• Akebia trifoliata var. litoralis
• Akebia quercifolia
• Akebia chaffanjonii
• Akebia chingshuiensis
• Akebia clematifolia
• Akebia lobata
• Akebia lobata var. australis
• Akebia lobata var. clematifolia
• Clematis trifoliata

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Ranunculales. Finally, it falls within the family Lardizabalaceae and is identified by the genus Akebiia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several key regions of Eastern Asia. Within China, its presence is noted in the South-Central, North-Central, and Southeast territories. Beyond the mainland, the species is also found throughout the islands of Japan. Additionally, the plant's range extends to the island of Taiwan. Together, these locations define the specific geographical footprint of Akebia trifoliata.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Akebia trifoliata is characterized by its ability to thrive across a broad altitudinal gradient, demonstrating significant adaptability to varying environmental conditions. This species is found distributed from lower foothills up to montane regions, occupying an elevational range that begins at a minimum of 210 m AMSL and extends to a maximum of 2100 m AMSL. This wide vertical distribution suggests that the plant can tolerate a diverse array of temperature regimes and moisture levels found within these different strata. Its presence across such a vast range indicates a resilience to varying climatic pressures, allowing it to colonize diverse ecological niches within its habitat.

Elevational range max:

2100 m AMSL

Elevational range min:

210 m AMSL

Life history

The life history of Akebia trifoliata is characterized by its status as a perennial organism, allowing it to establish a long-term presence within its ecological niche through successive growing seasons. As a deciduous species, it undergoes a distinct seasonal cycle where it sheds its foliage annually in response to environmental changes, typically entering a period of dormancy during colder months before regenerating new growth in the spring. This combination of a perennial lifespan and a deciduous growth habit enables the plant to navigate seasonal fluctuations while maintaining a persistent root system and structural framework over many years.

Deciduousness :

deciduous

Lifecycle :

perennial

Morphology

The morphology of Akebia trifolia is characterized by its distinct growth habit and structural composition. It functions as an obligatory climber, specifically classified as a liana or a vine that requires external support for its upward progression rather than being self-supporting. While its growth form can occasionally be associated with shrub-like characteristics in certain environments, it is primarily defined by its woody nature. This woody development allows the plant to establish a sturdy, perennial framework as it climbs, transitioning from a juvenile state into a robust, climbing woody structure.

Climber :

liana

Climber :

obligatory

Growth form :

tree

Growth form :

shrub

Woodiness :

woody

Physiology

The physiology of Akebia trifoliata is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency within its ecological niche. The plant's vegetative morphology features leaves with an ovate form and an entire leaf margin, presenting a smooth edge without serration or lobing. Furthermore, the leaf structure is entirely devoid of defensive anatomical features, as it possesses no leaf thorns and no leaf spines, contributing to its specific physiological profile and physical interaction with its environment.

Leaf form :

ovate

Leaf margin :

entire

Leaf spines :

no

Leaf thorns :

no

Photosynthetic pathway :

C3

Reproduction

Reproduction in Akebiia trifoliata is characterized by the development of fleshy fruits that serve as the primary vessel for seed dispersal. The seeds produced within these fruits exhibit specific morphological dimensions, maintaining a consistent seed volume with a mean, maximum, and minimum value of 24 mm³. Regarding the weight of the seeds, there is a notable range in mass, with the smallest seeds weighing approximately 0.0175 g and the largest reaching up to 0.06715 g, resulting in an overall average seed mass of 0.042325 g. The fruit itself is described as having a fleshy texture, which plays a critical role in its reproductive strategy and seed distribution.

Fruit dryness :

fleshy

Seed mass max:

0.06715 g

Seed mass mean:

0.042325 g

Seed mass min:

0.0175 g

Seed volume max:

24 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Akebia trifoliata has 2 reported plant parts identified across 5 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem, leaf.

Stem

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
2. Chemistry & biodiversity
3. Chemical & pharmaceutical bulletin
4. Plant disease

Leaf

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Chemicals

Akebia trifoliata has 4 reported phytochemicals identified across 5 scientific publications and several other databases. The most consistently reported chemicals include L-Isoleucyl-L-Aspartate, Madasiatic acid, galactose, glucose.

L-Isoleucyl-L-Aspartate

1. Food chemistry: X

Madasiatic acid

1. Food chemistry: X

galactose

1. Plant foods for human nutrition (Dordrecht, Netherlands)

glucose

1. Plant foods for human nutrition (Dordrecht, Netherlands)

Activities

Akebia trifoliata has 1 reported activities identified across 5 scientific publications and several other databases. The most consistently reported activities include Antioxidant.

Antioxidant

1. Plant foods for human nutrition (Dordrecht, Netherlands)

Preparations

Akebia trifoliata has 2 reported preparations identified across 5 scientific publications and several other databases. The most consistently reported preparations include mokutsu, mutong.

Mokutsu

1. Plant disease

Mutong

1. Plant disease