broad-leaved-white-mahogany

Names and Synonyms

Common Names

• broad-leaved-white-mahogany
• white-mahogany
• bastard-mahogany
• broadleaf white-mahogany
• narrow-leaf white stringybark
• yellow stringybark
• Broad-leaved White Mahogany

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is ordered under Myrtales and falls into the family Myrtaceae. Finally, it is identified by the genus Eucalyptus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution spanning across distinct regions of the Southeast Asian and Australian landscapes. Within the Malesia botanical region, it can be found inhabiting the Lesser Sunda Islands. Moving southward, its range extends into the continent of Australia. Specifically, it is documented to grow within the state of New South Wales. These locations define the primary natural habitats where this medicinal species thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Eucalyptus umbra is characterized by a perennial lifecycle, allowing the individual to persist through multiple growing seasons and establish a long-term presence within its ecosystem. In terms of its structural development and growth habit, the species exhibits complex life form classifications; while it is primarily categorized as a phanerophyte due to its elevated woody structure, it also displays characteristics consistent with a nanophanerophyte, indicating a growth strategy where the buds are held relatively close to the ground or on short woody stems.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Eucalyptus umbra is characterized by its robust growth form as a woody tree, reaching a maximum plant height of 25 m. This species is strictly a terrestrial plant, exhibiting no aquatic or semiaquatic tendencies, and it functions as an independent organism rather than a parasite or an epiphyte. As a self-supporting structure, it does not exhibit any climbing, liana, or vine-like habits, relying instead on its woody development to maintain its upright stature.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

25 m

Woodiness :

woody

Physiology

The physiology of Eucalyptus umbra is fundamentally defined by its metabolic processes, most notably its reliance on the C3 photosynthetic pathway to facilitate carbon fixation. Under this C3 mechanism, the plant utilizes the enzyme RuBisCO to catalyze the initial carboxylation of atmospheric carbon dioxide, leading to the immediate formation of a three-carbon compound. This physiological framework governs its energy acquisition and growth patterns, influencing how the species manages gas exchange and water use efficiency. Because it lacks the specialized carbon-concentrating mechanisms found in C4 or CAM plants, its physiological performance is closely tied to environmental factors such as temperature and light intensity, which dictate the rate of transpiration and the efficiency of the Calvin cycle during daylight hours.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Eucalyptus umbra is characterized by the production of minute seeds that play a critical role in its dispersal and recruitment processes. Quantitative analysis of its seed morphology reveals a highly specialized profile, with an average seed mass (Seed_mass_mean) of 0.0004786 g. The variation within the seed population is relatively narrow, ranging from a minimum seed mass (Seed_mass_min) of 0.00031 g to a maximum seed mass (Seed_mass_max) of 0.0006472 g. This lightweight seed structure is indicative of an evolutionary strategy optimized for wind dispersal, allowing the species to colonize new territories across its medicinal habitat.

Seed mass max:

0.0006472 g

Seed mass mean:

0.0004786 g

Seed mass min:

0.00031 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Eucalyptus umbra has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include nitric oxide.

nitric oxide

1. Evidence-based complementary and alternative medicine : eCAM

Conditions

Eucalyptus umbra has 4 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include arthritis, asthma, fever, rheumatism.

Arthritis

1. Evidence-based complementary and alternative medicine : eCAM

Asthma

1. Evidence-based complementary and alternative medicine : eCAM

Fever

1. Evidence-based complementary and alternative medicine : eCAM

Rheumatism

1. Evidence-based complementary and alternative medicine : eCAM