Dioclea virgata

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a diverse geographical distribution spanning several distinct tropical regions across the globe. In West Tropical Africa, its presence is specifically noted within Nigeria. Moving to Northeast Tropical Africa, the species can be found in Ethiopia. Its reach extends into the Indian Subcontinent, where it inhabits both India and Sri Lanka. Finally, the distribution reaches the Malesia region, specifically occurring in Borneo.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Dioclea virgata is characterized by its significant adaptability to diverse environmental settings, ranging from sea level to high-altitude regions. It occupies an extensive elevational range, thriving from 0 m up to a maximum of 1800 m AMSL. This species exhibits a broad ecological amplitude, colonizing a wide variety of habitats including anthropogenic areas (Área Antrópica), coastal ecosystems such as mangroves (Manguezal) and restingas, and several specialized forest types. Its distribution spans from water-influenced environments like gallery forests (Floresta de Galeria), igapó forests (Floresta de Igapó), and varzea forests (Floresta de Várzea) to more stable terrestrial biomes such as perennial seasonal forests (Floresta Estacional Perenifólia), ombrophilous/rainforests (Floresta Ombrófila), and coastal fringe forests (Floresta Ciliar).

Elevational range max:

1800 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Área Antrópica, Floresta Ciliar ou Galeria, Floresta de Igapó, Floresta de Várzea, Floresta Estacional Perenifólia, Floresta Ombrófila (= Floresta Pluvial), Manguezal, Restinga

Life history

The life history of Dioclea virgata is characterized by its classification as a perennial plant, allowing it to persist in its environment over multiple growing seasons. As a climbing legume, its development involves a complex lifecycle where it establishes itself through seed germination, followed by a period of vegetative growth where it utilizes tendrils to ascend surrounding vegetation to reach sunlight. Throughout its perennial existence, the plant undergoes cyclical stages of maturation, flowering, and seed production, ensuring its long-term survival and ability to colonize new areas within its ecological niche.

Lifecycle :

perennial

Morphology

The morphology of Dioclea virgata is characterized by its growth as a woody liana, functioning as an obligatory climber that relies on external support to ascend. Although it exhibits a growth form that can be described in a shrub-like manner due to its structural development, it primarily operates as a climbing vine rather than a self-supporting plant. In terms of its ecological niche and habitat, the plant is classified as terrestrial, lacking aquatic or semiaquatic tendencies, and it does not function as an epiphyte, maintaining a terrestrial existence. Furthermore, Dioclea virgata is an independent organism, meaning it does not exhibit parasitic behavior, and its physical structure is defined by its distinct woody nature.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Dioclea virgata is characterized by a metabolic framework centered around the C3 photosynthetic pathway, wherein carbon fixation occurs via the enzyme RuBisCO during the Calvin cycle. As a C3 plant, it fixes atmospheric carbon dioxide directly into a three-carbon molecule, phosphoglycerate, without the specialized anatomical adaptations found in C4 or CAM species. This metabolic strategy dictates its resource management, particularly regarding water-use efficiency and stomatal conductance, as the plant must balance gas exchange for photosynthesis against the risk of transpiration-driven water loss. Consequently, its physiological performance and growth rates are closely tied to environmental factors such as light intensity, ambient temperature, and moisture availability, which influence the efficiency of its carbon assimilation processes.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Dioclea virgata has 1 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed.

Seed

1. Biochimica et biophysica acta
2. Immunological investigations