Macropsychanthus bicolor

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a diverse geographical distribution across several regions of the South American continent. In Northern South America, its presence is documented within the borders of Venezuela. Moving toward the western part of the continent, the species can be found inhabiting the territories of Colombia, Peru, and Bolivia. Additionally, it has a notable occurrence within the West-Central region of Brazil. Collectively, these locations highlight the plant's wide range across various tropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Macropsychanthus bicolor is characterized by its presence in specific tropical landscapes, primarily inhabiting the Carrasco, Cerrado (latu sensu), and Savana Amazônica ecosystems. This species thrives within a defined altitudinal gradient, typically found at elevations ranging from a minimum of 100 m AMSL to a maximum of 320 m AMSL.

Elevational range max:

320 m AMSL

Elevational range min:

100 m AMSL

Habitat :

Carrasco, Cerrado (lato sensu), Savana Amazônica

Morphology

The morphology of Macropyschanthus bicolor is characterized by a growth habit that is primarily terrestrial, rather than aquatic or semiaquatic. It functions as a liana, exhibiting a climbing nature that is classified as obligatory, meaning it relies on external structures for support rather than being self-supporting. While it maintains a terrestrial existence, its growth patterns do not follow epiphyte strategies such as holoepiphytism or hemiepiphytism, remaining instead as a terrestrial organism. In terms of its nutritional strategy, the plant is an independent organism, showing no parasitic tendencies toward a host. Structurally, the plant is characterized by a non-woody composition, lacking the rigid lignified tissues found in woody species.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Macropsychanthus bicolor is characterized by a standard C3 photosynthetic pathway, a mechanism where carbon dioxide is fixed directly into a three-carbon compound during the initial stages of the Calvin cycle. This metabolic strategy dictates the plant's efficiency in gas exchange and water usage, as it relies on the enzyme RuBisCO to catalyze the carboxylation process. Under typical environmental conditions, this C3 pathway allows the plant to manage light energy absorption and carbon fixation through regular stomatal conductance, although it makes the plant's metabolic efficiency sensitive to high temperatures and varying levels of photorespiration. The integration of this photosynthetic process supports the plant's overall energy production, driving the synthesis of carbohydrates necessary for growth, development, and the maintenance of its secondary metabolic profiles.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Macropsychanthus bicolor 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 seed.

Seed

1. Immunological investigations