Moluccan ironwood

Names and Synonyms

Scientific Names

Accepted name

Regional and Traditional Names

Sources: Wikidata

Distribution

This plant, known as Intsia bijuga, exhibits a broad distribution across several key maritime regions. In East Tropical Africa, it can be found within the borders of Tanzania. Its presence extends significantly throughout the Western Indian Ocean, spanning multiple island territories. Specifically, it is located in the Chagos Archipelago, Mauritius, and Madagascar. Finally, the species completes its regional range by inhabiting the Seychelles.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Intsia bijuga is characterized by its ability to thrive within the specific environmental constraints of a dry forest habitat. In these ecosystems, the species must adapt to distinct seasonal patterns, often enduring prolonged periods of low moisture and higher temperatures compared to rainforest environments. Its presence in dry forest landscapes suggests a physiological resilience to periodic water stress and a capacity to establish itself in well-drained soils where competition for light and nutrients is governed by seasonal vegetation shifts. Within this ecological niche, the plant plays a vital role in the forest structure, contributing to the canopy development and influencing the microclimate of the understory.

Habitat :

dry forest

Life history

The life history of Intsia bijuga is characterized by its status as a perennial species, meaning it persists through many growing seasons and can live for many decades as a large, woody tree. Its lifecycle begins with the germination of seeds, which often require specific moisture and temperature conditions typical of tropical forest environments to establish a seedling. As a perennial, the plant undergoes continuous developmental stages, moving from a juvenile phase into a mature reproductive phase where it produces large, woody pods containing seeds. This long-lived nature allows the species to contribute to the forest canopy over an extended period, contributing to the stability of its ecosystem through sustained growth and repeated reproductive cycles.

Lifecycle :

perennial

Morphology

The morphology of Intsia bijuga is characterized by its growth form as a woody tree, which functions as a self-supporting structure rather than a climber or vine. It is an independent organism, not acting as a parasite or an epiphyte, and it maintains a terrestrial lifestyle. In terms of its stature, the plant reaches significant dimensions, with a height typically ranging between a maximum of 25 m and a mean height of approximately 35 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

25 m

Plant height mean:

35 m

Woodiness :

woody

Physiology

The physiology of Intsia bijuga is characterized by a C3 photosynthetic pathway, which dictates its carbon fixation processes and metabolic efficiency under typical environmental conditions. The species does not exhibit succulence, maintaining standard leaf and stem water storage capacities rather than specialized fleshy tissues for moisture retention. Furthermore, Intsia bijuga functions as a nitrogen fixer, utilizing symbiotic relationships to convert atmospheric nitrogen into a bioavailable form, which enhances its nutrient uptake and supports growth in various soil types.

Nitrogen fixer :

yes

Photosynthetic pathway :

C3

Succulence :

no

Reproduction

The reproduction of Intsia bijuga is characterized by a biotic pollination syndrome, primarily facilitated by insects, with a specific emphasis on bees as key pollinators. The plant produces seeds with a relatively consistent mass, ranging from a minimum of 1.42094 g to a maximum of 1.52575 g, with an average seed mass of approximately 1.473345 g. Dispersal of the species is achieved through multiple mechanisms, most notably via a hydrochorous syndrome, where water plays a critical role in transporting seeds. Additionally, the species exhibits anthropochorous dispersal, indicating that human activity also influences its movement and distribution across different environments.

Dispersal syndrome :

hydrochorous

Dispersal syndrome :

anthropochorous

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass max:

1.52575 g

Seed mass mean:

1.473345 g

Seed mass min:

1.42094 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Intsia bijuga 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 leaf.

Leaf

1. Arquivos de gastroenterologia

Conditions

Intsia bijuga has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include Ulcer.

Ulcer

1. Arquivos de gastroenterologia

Preparations

Intsia bijuga has 2 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include Methanol extracts from the leaves, soil under.

Methanol extracts from the leaves

1. Arquivos de gastroenterologia

Soil under

1. Fungal systematics and evolution