Eucalyptus brassiana

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant, known scientifically as Eucalyptus brassiana, exhibits a specific geographical distribution across certain tropical and subtropical regions. Its primary habitat is located within the vast island of New Guinea in Papuasia. Additionally, the species can be found spanning across parts of Australia. Specifically, its presence is documented within the state of Queensland. This distribution highlights the plant's occurrence across both island and continental landscapes in the region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Eucalyptus brassiana is characterized by its classification as a phanerophyte, a growth form where the perennating buds are located high above the ground on woody stems. Within this botanical framework, it specifically functions as a phanerophyte, ensuring its survival through seasonal changes by maintaining its vital structures on elevated branches. This life strategy allows the plant to establish a robust, woody architecture that supports its development from a seedling into a mature, long-lived tree, navigating its ecological niche through a persistent perennial lifecycle.

Life form :

phanerophyte

Morphology

The morphology of Eucalyptus brassiana is characterized by its robust growth form as a tree, exhibiting a distinctly woody structure throughout its development. As an independent organism, it does not function as a parasite, maintaining its own nutritional processes without relying on a host. It is a terrestrial plant, establishing itself firmly in the soil rather than growing as an epiphyte. Furthermore, while some botanical classifications may reference climbing tendencies in specific contexts, this species is categorized as a self-supporting organism, possessing the structural integrity to maintain its upright stature without the need for external support.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Eucalyptus brassiana is characterized by its specialized metabolic processes and adaptive mechanisms designed for survival in specific ecological niches. Central to its energy production is its photosynthetic pathway, which functions exclusively via the C3 pathway; this involves the direct fixation of atmospheric carbon dioxide by the enzyme RuBisCO during the Calvin cycle, a process that typically requires significant water availability to maintain stomatal conductance. Beyond carbon assimilation, the plant exhibits complex physiological responses to environmental stressors, including sophisticated transpiration regulation and the production of secondary metabolites such as essential oils, which serve defensive physiological roles. These metabolic activities are closely integrated with its water-use efficiency and nutrient uptake mechanisms, allowing the plant to manage its internal osmotic potential and maintain cellular homeostasis under varying climatic conditions.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Eucalyptus brassiana is characterized by the production of minute seeds that exhibit specific morphological consistency in terms of weight. Analytical data regarding the seed mass reveals a very narrow range of variation, indicating a highly standardized reproductive output. The average seed mass for this species is recorded at a mean of 0.003003 g, with individual seed weights fluctuating minimally between a minimum value of 0.00293 g and a maximum value of 0.003076 g. This precision in seed mass is a critical component of its reproductive strategy, ensuring that the progeny are distributed with consistent physical properties suitable for their specific ecological niche.

Seed mass max:

0.003076 g

Seed mass mean:

0.003003 g

Seed mass min:

0.00293 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Eucalyptus brassiana has 48 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include 1,8-Cineole, ALPHA-PHELLANDRENE, ALPHA-PINENE, Allo-Aromadendrene, Alpha terpinene.

1,8-Cineole

1. Dr. Duke

ALPHA-PHELLANDRENE

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ALPHA-PINENE

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Allo-Aromadendrene

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Alpha terpinene

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Aromadendrene

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BETA-CARYOPHYLLENE

1. Dr. Duke

BETA-PINENE

1. Dr. Duke

Borneol

1. Dr. Duke

CAMPHENE

1. Dr. Duke

Activities

Eucalyptus brassiana has 223 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include (-)-Chronotropic, (-)-Inotropic, ACE-Inhibitor, AChE-Inhibitor, Acaricide.

(-)-Chronotropic

1. Dr. Duke

(-)-Inotropic

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ACE-Inhibitor

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AChE-Inhibitor

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Acaricide

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Allelochemic

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Allelopathic

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Allergenic

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Analgesic

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