Acacia rostellifera

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Racosperma rostelliferum
• Acacia subbinervia
• Acacia cyanophylla var. dorrienii

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. As a member of the subclass Magnoliidae and the order Fabales, it is classified under the family Fabaceae. Specifically, it is identified by the genus Acacia and the species Acacia rostellifera.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is found within a very specific and limited geographic range. Its distribution is entirely confined to the continent of Australia. More specifically, it is located within the state of Western Australia. Because it is restricted to this single region, it possesses a highly localized habitat. Such a narrow occurrence makes the species unique to this particular part of the world.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Acacia rostellifera is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a long-lived woody species, it does not follow the rapid turnover of annuals or biennials but instead invests energy into structural stability and long-term survival within its ecosystem. This perennial nature enables the plant to establish a robust root system and a permanent canopy, facilitating repeated reproductive cycles over many years. Through this extended lifespan, the species can adapt to seasonal fluctuations and maintain a consistent presence in its natural habitat.

Lifecycle :

perennial

Morphology

The morphology of Acacia rostellifera is characterized by its growth form as a woody tree, exhibiting a sturdy and self-supporting structure. It functions as an independent organism, neither acting as a parasite nor an epiphyte, as it maintains a primarily terrestrial habit, though it can inhabit semiaquatic environments. The plant typically reaches a height ranging from a minimum of 1 meter to a maximum of 6 meters. As a self-supporting tree, it does not exhibit climbing behaviors such as liana or vine growth, instead relying on its woody development to maintain its stature within its ecosystem.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

6 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Acacia rostellifera is characterized by its utilization of the C3 photosynthetic pathway, a metabolic process where carbon dioxide is fixed directly into a three-carbon compound during the first stage of the Calvin cycle. As a C3 plant, its physiological efficiency is highly dependent on environmental conditions, particularly temperature and water availability, as it relies on the enzyme RuBisCO to facilitate carbon fixation. This pathway involves the opening of stomata to allow for gas exchange, which inherently leads to transpirational water loss, making the plant's physiological regulation of stomatal conductance critical for maintaining turgor pressure and metabolic stability. The energetic processes within its chloroplasts are optimized for standard light intensities, driving the production of carbohydrates that fuel its growth, structural development, and secondary metabolic processes.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Acacia rostellifera is characterized by the production of seeds that exhibit a highly uniform mass profile. Detailed quantitative analysis of its seed characteristics reveals a consistent seed mass, with the mean value recorded at 0.01834 g. This uniformity is absolute across the sampled population, as both the maximum and minimum seed mass values are also documented at exactly 0.01834 g. Such precision in seed mass suggests a highly stabilized reproductive output, ensuring that each individual seed maintains a specific weight of 0.01834 g during its developmental stage.

Seed mass mean:

0.01834 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Acacia rostellifera has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include N-.

N-

1. The New phytologist