Abuta grisebachii

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Abuta cuspidata
• Abuta cuspidata var. ovalifolia

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, situated within the class Equisetopsida and subclass Magnoliidae. It is classified under the order Ranunculales and the family Menispermaceae. Ultimately, it is identified by the genus Abuta, specifically as the species Abuta grisebachii.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is found across several distinct regions within the South American continent. In Northern South America, its presence is documented in both French Guiana and Venezuela. Moving toward the western part of the continent, the species also inhabits Colombia and Peru. Furthermore, its range extends into the Brazil West-Central region. Together, these locations define the diverse geographical distribution of Abuta grisebachii.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Abuta grisebachii is characterized by its presence in diverse and complex tropical wetland and terrestrial ecosystems, specifically inhabiting Campinarana, Floresca de Igapó, Floresta de Terra Firme, and Floresta de Várzea. This plant occupies a relatively low-lying altitudinal gradient, ranging from sea level (0 m AMSL) up to a maximum elevation of 200 m AMSL. Its ability to thrive across these varied habitats—ranging from seasonally flooded forests to nutrient-poor white sand campinas—demonstrates a significant ecological adaptability to different soil moisture levels and nutrient availability within these tropical forest structures.

Elevational range max:

200 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Campinarana, Floresta de Igapó, Floresta de Terra Firme, Floresta de Várzea

Morphology

The morphology of Abuta grisebachii is characterized by its growth habit as a woody liana, functioning as an obligatory climber that relies on structural support to ascend. It is a terrestrial plant, primarily occupying land environments rather than aquatic or semiaquatic habitats. As an independent organism, it does not exhibit parasitic behavior, maintaining its own nutritional processes without relying on a host for sustenance. While it is fundamentally a terrestrial species, its structural form as a woody vine allows it to navigate forest strata, though it remains distinct from epiphytic life forms such as holoepiphytes or hemiepiphytes, as it does not grow upon other plants for its primary ecological niche.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Abuta grisebachii is characterized by a metabolic framework defined by a C3 photosynthetic pathway, meaning the plant utilizes the Calvin cycle to fix atmospheric carbon dioxide directly through the enzyme RuBisCO. This process involves the initial fixation of $\text{CO}_2$ into a three-carbon molecule, which dictates the plant's gas exchange patterns and water-use efficiency in its native tropical environments. As a C3 plant, its physiological adaptations are geared toward optimizing light interception and enzymatic activity within the mesophyll cells, balancing the energetic costs of photorespiration against the requirements for biomass accumulation and the synthesis of its secondary metabolites.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Abuta grisebachii has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 7-O-Demethylpeinamine, Macolidine, Macoline, Peinamine.

7-O-Demethylpeinamine

1. Il Farmaco; edizione scientifica

Macolidine

1. Il Farmaco; edizione scientifica

Macoline

1. Il Farmaco; edizione scientifica

Peinamine

1. Il Farmaco; edizione scientifica