Iryanthera juruensis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Iryanthera densiflora
• Iryanthera grandiflora
• Iryanthera trigona

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Magnoliales, it is classified under the family Myristicaceae. Its specific taxonomic designation is within the genus Iryanthera.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution that spans across parts of Central and South America. In the Central American region, its presence is documented in Panamá. Moving into Northern South America, the species can be found within the territories of Venezuela, Guyana, and Suriname. Additionally, its range extends further east into French Guiana. Consequently, these specific nations represent the primary geographical locations where Iryanthera juruenensis is located.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Iryanthera juruenensis is characterized by its occurrence within the Floresta de Terra Firme, where it thrives in stable, non-flooded forest ecosystems. This species inhabits a broad altitudinal gradient, spanning from sea level up to an elevation of 1000 m AMSL. Its distribution within these terrestrial forest habitats reflects an adaptation to the specific soil and light conditions typical of undisturbed tropical forest structures.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Floresta de Terra Firme

Life history

The life history of Iryanthera juruenensis is characterized by its status as a perennial species, meaning it maintains its vegetative structures and continues to grow over many years rather than completing a single reproductive cycle. As a long-lived woody plant, it undergoes a complex developmental process that transitions from seedling establishment in tropical forest environments to reaching a mature, reproductive state. Throughout its extended lifespan, the plant invests significant energy into structural stability and seasonal reproductive efforts, ensuring its persistence within its ecological niche over multiple annual and biennial cycles.

Lifecycle :

perennial

Morphology

The morphology of Iryanthera juruenensis is characterized by its growth form as a woody tree, which is a self-supporting structure rather than a climber or liana. As a terrestrial species, it does not exhibit epiphytic behavior and exists as an independent organism, meaning it is not a parasite. This tree can reach a significant stature in its natural habitat, with a mean plant height of approximately 15 m and a maximum potential height of up to 20 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

20 m

Plant height mean:

15 m

Woodiness :

woody

Physiology

The physiology of Iryanthera juruenensis is characterized by a C3 photosynthetic pathway, which involves the direct fixation of atmospheric carbon dioxide through the Calvin cycle within the mesophyll cells. As a plant utilizing this pathway, it relies on the enzyme Rubisco for carbon assimilation, making it highly sensitive to photorespiration under high-temperature or water-stressed conditions. Furthermore, this species is not a nitrogen fixer, meaning it lacks the specialized symbiotic relationships with nitrogen-fixing bacteria (such as Rhizobium or Frankia) required to convert atmospheric nitrogen into bioavailable forms, and instead must rely on the uptake of nitrates and ammonium present in the soil substrate to meet its nutritional requirements.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Iryanthera juruenensis is characterized by specific seed traits and dispersal mechanisms that facilitate its propagation within its natural habitat. The species produces seeds with a highly consistent mass, showing no variance between the minimum, maximum, and mean values, which are all recorded at exactly 4 g. Regarding its dispersal strategy, the plant exhibits a zoochorous syndrome, indicating that its seeds are primarily distributed by animals, although it may also interact with other dispersal modes such as anemochorous, autochorous, hydrochorous, or unspecialized mechanisms.

Dispersal syndrome :

zoochorous

Seed mass mean:

4 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Iryanthera juruensis has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 2',4'-Dihydroxy-4,6'-dimethoxydihydrochalcone, 2',4'-dihydroxy-6'-methoxy-3,4-methylenedioxydihydrochalcone.

2',4'-Dihydroxy-4,6'-dimethoxydihydrochalcone

1. Journal of natural products

2',4'-dihydroxy-6'-methoxy-3,4-methylenedioxydihydrochalcone

1. Journal of natural products

Activities

Iryanthera juruensis has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antiproliferative.

Antiproliferative

1. Journal of natural products