Protium crenatum

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata

Taxonomical Classification

This plant, Protium crenatum, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Sapindales and the family Burseraceae. Finally, it is identified by the genus Protium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse presence across several regions of the South American continent. In Northern South America, its range extends through the country of Guyana. It can also be found throughout various parts of Venezuela within the same northern region. Moving toward the western side of the continent, the species is distributed within Colombia. Finally, its geographical reach includes the northern territories of Brazil.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Protium crenatum is defined by its presence in specific tropical forest ecosystems, primarily thriving within Floresta de Terra Firme and Floresta Ombrófila (also known as Floresta Pluvial). These habitats provide the stable, high-moisture environments and complex canopy structures characteristic of rainforest biomes. In terms of altitudinal distribution, the species is typically found at a mean elevation of approximately 500 m AMSL, situating it within the mid-elevation zones of its native range where environmental conditions support its growth requirements.

Elevational range mean:

500 m AMSL

Habitat :

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

Life history

The life history of Protium crenatum is characterized by a perennial lifecycle, meaning the individual plant survives for many years, often spanning several decades as it matures within its ecosystem. As a long-lived species, it does not follow the rapid developmental patterns of annuals or biennials; instead, it undergoes a sustained period of growth, establishment, and reproduction. Throughout its extended lifespan, the plant undergoes various stages of physiological development, transitioning from a seedling to a mature woody specimen capable of consistent reproductive cycles. This perennial nature allows the species to maintain a stable presence in its habitat, contributing to the long-term structural complexity of its environment.

Lifecycle :

perennial

Morphology

The morphology of Protium crenatum is characterized by its stature as a large, woody tree that functions as a self-supporting organism. It is a terrestrial species that grows independently, lacking any parasitic tendencies. The plant exhibits a robust growth form, reaching a mean height of 25 m, with the potential to reach a maximum height of up to 40 m. As a non-climber, it maintains a self-supporting structure rather than acting as a vine or liana, and it does not exhibit epiphytic behavior, remaining strictly terrestrial in its ecological niche.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

40 m

Plant height mean:

25 m

Woodiness :

woody

Physiology

The physiology of Protium crenatum is characterized by a metabolic framework utilizing the C3 photosynthetic pathway, which involves the direct fixation of carbon dioxide through the Calvin cycle without the specialized anatomical adaptations found in C4 or CAM plants. In terms of nutrient cycling and symbiotic relationships, this species does not function as a nitrogen fixer, meaning it lacks the specialized root nodules or symbiotic associations with diazotrophic bacteria required to convert atmospheric nitrogen into bioavailable forms.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Protium crenatum is characterized by specific reproductive mechanisms and seed morphology. Regarding its pollination strategy, self-fertilization is notably absent, indicating that the species relies on cross-pollination to ensure genetic diversity. The resulting seeds exhibit a highly consistent morphological profile, with a measured seed volume that remains constant across observations. Specifically, the seed volume is precisely 640 mm³, a value that serves as both the minimum and maximum measurement, resulting in a mean seed volume of 640 mm³.

Seed volume max:

640 mm³

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Protium crenatum has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 3alpha-Hydroxytirucalla-7,24-dien-21-oic acid.

3alpha-Hydroxytirucalla-7,24-dien-21-oic acid

1. Acta crystallographica. Section C, Crystal structure communications