Guatteria discolor

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a diverse distribution across several regions of the South American continent. In Northern South America, it can be found growing within French Guiana. Moving toward the western part of the continent, its range extends through Bolivia, Colombia, and Peru. Additionally, the species is documented within the northern territories of Brazil. Together, these locations highlight the wide geographical footprint of Guatteria discolor.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Guatteria discolor is fundamentally defined by its preference for stable, high-moisture forest environments, specifically occurring within Terra Firme forests and Ombrophilous forests (rainforests). These habitats provide the consistent humidity and shaded understory conditions necessary for its development. As a component of these closed-canopy ecosystems, the plant thrives in areas where soil moisture is maintained by high precipitation levels and where the structural complexity of the forest regulates the microclimate, offering protection from extreme solar radiation and wind.

Habitat :

Floresta de Terra Firme, Floresta Ombrófila (= Floresta Pluvial)

Life history

The life history of Guatteria discolor is characterized by its status as a perennial organism, meaning it maintains its vegetative structures and biological functions over multiple growing seasons rather than completing its cycle in a single year. As a long-lived perennial, the plant establishes a stable presence within its ecosystem, investing energy into sustained growth and the development of robust woody tissues that allow it to persist through varying environmental conditions. Its life cycle involves a continuous process of physiological maturation, where it undergoes seasonal cycles of vegetative expansion and reproductive phases to ensure long-term survival and genetic dispersal within its natural habitat.

Lifecycle :

perennial

Morphology

The morphology of Guatteria discolor is characterized by its growth form as a woody tree, reaching a maximum plant height of approximately 10 meters. It functions as an independent organism, lacking any parasitic tendencies, and is classified as a terrestrial plant rather than an aquatic or semiaquatic species. Furthermore, it does not exhibit epiphytic behavior, maintaining a strictly terrestrial existence. In terms of its structural habit, the plant is self-supporting, categorized as both a self-supporting climber and a self-supporting growth form, distinguishing it from lianas or vines that require external support.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Woodiness :

woody

Physiology

The physiology of Guatteria discolor is characterized by its metabolic processes and resource acquisition strategies typical of many members of the Annonaceae family. As a woody plant, it engages in complex photosynthetic pathways to convert solar energy into chemical energy, supporting its structural growth and the production of secondary metabolites. Its nutrient uptake mechanisms are driven by root systems that absorb essential minerals from the soil to facilitate cellular functions and enzymatic activities. Regarding its relationship with soil nutrients, Guatteria discolor is not a nitrogen fixer; it lacks the specialized symbiotic relationship with diazotrophic bacteria, such as Rhizobium, that would allow it to convert atmospheric nitrogen into bioavailable forms. Consequently, its physiological nitrogen economy is entirely dependent on the uptake of nitrates and ammonium present in the substrate through its root architecture.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Guatteria discolor has 12 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include (-)-Corypalmine, (-)-Discretamine, (-)-Discretine, Atherosperminine, Corypalmine.

(-)-Corypalmine

1. Dr. Duke

(-)-Discretamine

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(-)-Discretine

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Atherosperminine

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Corypalmine

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Discretamine

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Guadiscine

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Puterine

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Saponins

1. Dr. Duke

Tannins

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Activities

Guatteria discolor has 7 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antihepatomic, Antimutagenic, Antioxidant, Antiradicular, Antitumor (Lung).

Antihepatomic

1. Dr. Duke

Antimutagenic

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Antioxidant

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Antiradicular

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Antitumor (Lung)

1. Dr. Duke

Antitumor (Ovary)

1. Dr. Duke

Immunomodulator

1. Dr. Duke