Scarlet Bottlebrush

Names and Synonyms

Common Names

• Scarlet Bottlebrush

Scientific Names

Accepted name

Synonyms

• Callistemon macropunctatus
• Callistemon laevifolius
• Callistemon rugulosus var. scaber
• Callistemon rugulosus
• Metrosideros macropunctata
• Metrosideros rugulosa
• Metrosideros scabra
• Callistemon coccineus
• Callistemon coccineus var. laevifolius
• Callistemon scaber
• Callistemon rugulosus var. laevifolius
• Callistemon macropunctatus var. laevifolius

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is situated in the order Myrtales and the family Myrtaceae. Finally, its taxonomic identity is defined by its placement in the genus Melaleuca.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to several distinct regions across the Australian continent. Within the eastern parts of the country, it can be found growing in New South Wales and Queensland. Its distribution also extends southward into the state of Victoria. Additionally, the species is present in the southern regions of South Australia. Consequently, its geographical range spans a diverse variety of Australian environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Melaleuca rugulosa is characterized by its status as a perennial organism, allowing it to persist in its environment over multiple growing seasons. In terms of its structural growth and life form, the species exhibits characteristics of both phanerophytes, where the majority of its vegetative biomass is held above the ground on woody stems, and nanophanerophytes, reflecting a specific scale of its architectural development. This combination of life forms enables the plant to maintain a stable presence within its ecological niche throughout its extended lifespan.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Melaleuca rugulosa is characterized by a woody growth form, specifically classified as a shrub. This plant is a self-supporting species, lacking any climbing or liana-like tendencies, and functions as an independent organism rather than a parasite or epiphyte, maintaining a strictly terrestrial existence. It does not exhibit aquatic or semiaquatic lifestyles. In terms of stature, the plant reaches a maximum height of approximately 4 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

4 m

Woodiness :

woody

Physiology

The physiology of Melaleuca rugulosa is characterized by a metabolic framework governed by a C3 photosynthetic pathway, which dictates its carbon fixation processes and energy conversion efficiency. Within this C3 mechanism, the plant utilizes the enzyme RuBisCO to fix atmospheric carbon dioxide directly into a three-carbon compound during the Calvin cycle. This physiological trait implies that the plant's gas exchange and photosynthetic rates are highly sensitive to environmental variables such as light intensity, temperature, and moisture availability, as it lacks the specialized concentrating mechanisms found in C4 or CAM species. Furthermore, its physiological adaptation to its habitat involves managing transpiration rates and maintaining cellular homeostasis through specialized leaf structures that support its carbon assimilation requirements under varying ecological pressures.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Melaleuca rugulosa is characterized by the production of minute seeds that exhibit specific morphological and mass-related variations. Based on quantitative data, the seed mass of this species is notably small, with a calculated mean mass of 0.000159 g. The distribution of these seed weights shows a narrow range, fluctuating from a minimum mass of 0.00013 g to a maximum mass of 0.000188 g. These small, lightweight seeds are typical of the genus, facilitating dispersal and colonization within its natural habitat.

Seed mass max:

0.000188 g

Seed mass mean:

0.000159 g

Seed mass min:

0.00013 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Melaleuca rugulosa has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Avicularin, Flavonoids, Lignans, Nilocitin.

Avicularin

1. BMC complementary medicine and therapies

Flavonoids

1. BMC complementary medicine and therapies

Lignans

1. BMC complementary medicine and therapies

Nilocitin

1. BMC complementary medicine and therapies

Activities

Melaleuca rugulosa has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. BMC complementary medicine and therapies