Machaerium aristulatum

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Drepanocarpus aristulatus

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is ordered under Fabales and falls into the family Fabaceae. Finally, it is specifically identified by the genus Machaerium as Machaerium aristulatum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread presence across several regions of the South American continent. In Northern South America, its range includes the territory of Venezuela. Moving toward the western part of the continent, it is also found within the borders of Colombia and Ecuador. Furthermore, the species extends its distribution into the western nations of Bolivia and Peru. Together, these locations define the specific geographical footprint of Machaerium aristulatum.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Machaerium aristulatum is characterized by its preference for specific lowland wetland and riparian ecosystems, including Campinarana, Floresca Ciliar or Galeria, Floresta de Igapó, and Floresta de Várzea. This species occupies a relatively narrow altitudinal band, thriving at elevations ranging from a minimum of 240 m AMSL to a maximum of 300 m AMSL. Its distribution is closely tied to these diverse hydrological habitats, which range from seasonally flooded forests to nutrient-poor sandy soils, defining its niche within tropical riverine and swamp environments.

Elevational range max:

300 m AMSL

Elevational range min:

240 m AMSL

Habitat :

Campinarana, Floresta Ciliar ou Galeria, Floresta de Igapó, Floresta de Várzea

Morphology

The morphology of Machaerium aristulatum is characterized by a woody structure and a growth form that can be classified as a tree or a large woody liana. As a terrestrial plant, it does not exhibit aquatic or semi-aquatic tendencies, nor does it function as an epiphyte, maintaining a strictly terrestrial existence. The plant acts as an independent organism, lacking any parasitic relationship with its host. In terms of its climbing habit, it functions as an obligatory climber, specifically manifesting as a liana that requires external support to ascend.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Machaerium aristulatum is characterized by a metabolic framework centered around the C3 photosynthetic pathway, where carbon fixation occurs primarily through the Calvin cycle facilitated by the enzyme RuBisCO. This pathway involves the direct fixation of atmospheric carbon dioxide into three-carbon organic compounds within the mesophyll cells, a process that typically requires significant water availability to maintain stomatal conductance and optimize gas exchange. As a C3 plant, its physiological efficiency is closely tied to environmental factors such as light intensity, temperature, and moisture levels, which dictate the rate of carboxylation and the potential for photorespiration. The metabolic processes governing its growth and biomass accumulation are inherently driven by this specific photosynthetic mechanism, influencing how the plant manages its energy budget and responds to varying ecological niches.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Machaerium aristulatum has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Stem

1. Journal of natural products

Chemicals

Machaerium aristulatum has 4 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include (+)-Maackiain, (+)-Medicarpin, formononetin, macharistol.

(+)-Maackiain

1. Journal of natural products

(+)-Medicarpin

1. Journal of natural products

formononetin

1. Journal of natural products

macharistol

1. Journal of natural products

Activities

Machaerium aristulatum has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. Journal of natural products