Melaleuca subulata

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Callistemon subulatus

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta within the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Myrtales, falling into the family Myrtaceae. Ultimately, its specific taxonomic placement is within the genus Melaleuca.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to the Australian continent, where it occupies specific regional niches. Its primary geographical distribution is concentrated within the state of New South Wales. Additionally, the species can be found growing in parts of Victoria. These two states represent the core areas where the plant naturally thrives in the wild. Consequently, its presence is limited to these particular southern coastal and inland regions of Australia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Melaleuca subulata is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons and maintain its presence within its ecological niche. Regarding its structural growth patterns and life forms, this species exhibits characteristics consistent with both phanerophyte and nanophanerophyte classifications, depending on the specific environmental conditions and the development of its woody stems. As a phanerophyte, it maintains its buds well above the ground level, while its nanophanerophytic tendencies reflect a growth habit where the stems remain relatively short, typically staying close to the substrate while still presenting visible buds.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Melaleuca subulata is characterized by a self-supporting growth form, primarily manifesting as a woody shrub or small tree. It is a terrestrial species, functioning as an independent organism rather than a parasite or an epiphyte. The plant exhibits a sturdy, woody structure, reaching a maximum plant height of approximately 1 meter. It does not possess climbing habits such as lianas or vines, nor does it require support, maintaining a self-supporting stature in its natural habitat.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

tree

Parasite :

independent

Plant height max:

1 m

Woodiness :

woody

Physiology

The physiology of Melaleuca subulata is characterized by a specialized morphological structure and a specific metabolic framework adapted to its environmental niche. The plant utilizes the C3 photosynthetic pathway, a common carbon fixation mechanism that relies on the enzyme RuBisCO to facilitate the conversion of atmospheric carbon dioxide into organic compounds. Complementing its metabolic process is a distinct leaf morphology designed for efficient resource management; the leaves are notably linear and narrow, with a width ranging from a minimum of 0.2 cm to a maximum of 0.3 cm. Furthermore, the longitudinal dimension of the leaves is regulated within a specific growth range, featuring a minimum leaf length of 2 cm and reaching a maximum leaf length of 4 cm.

Leaf length max:

4 cm

Leaf length min:

2 cm

Leaf width max:

0.3 cm

Leaf width min:

0.2 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Melaleuca subulata is characterized by the production of highly specialized seeds that exhibit significant variation in physical dimensions. These seeds are notably minute, with a measured mean seed mass of 4.31e-05 g. The distribution of seed weights within the species shows a distinct range, spanning from a minimum mass of 2e-05 g to a maximum mass of 6.62e-05 g. This variation in seed mass suggests a reproductive strategy centered on producing small, lightweight units that facilitate dispersal, which is critical for the colonization of its natural habitats.

Seed mass max:

6.62e-05 g

Seed mass mean:

4.31e-05 g

Seed mass min:

2e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Melaleuca subulata has 4 reported plant parts identified across 6 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, flower, fruit, stem.

Leaf

1. Frontiers in pharmacology
2. Journal of enzyme inhibition and medicinal chemistry
3. Natural product research

Flower

1. Frontiers in pharmacology

Fruit

1. Frontiers in pharmacology

Stem

1. Frontiers in pharmacology

Chemicals

Melaleuca subulata has 8 reported phytochemicals identified across 6 scientific publications and several other databases. The most consistently reported chemicals include Eucalyptol, Arugosin C, Diorcinol, ERGOSTEROL, Epiisoshamixanthone.

Eucalyptol

1. Frontiers in pharmacology
2. Journal of enzyme inhibition and medicinal chemistry

Arugosin C

1. Natural product research

Diorcinol

1. Natural product research

ERGOSTEROL

1. Natural product research

Epiisoshamixanthone

1. Natural product research

METHYLLINOLEATE

1. Natural product research

Norlichexanthone

1. Natural product research

STERIGMATOCYSTIN

1. Natural product research

Activities

Melaleuca subulata has 1 reported activities identified across 6 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. BMC complementary medicine and therapies

Preparations

Melaleuca subulata has 4 reported preparations identified across 6 scientific publications and several other databases. The most consistently reported preparations include essential oils, flower oil, leaf oil, stem and fruit oils.

Essential oils

1. Frontiers in pharmacology

Flower oil

1. Frontiers in pharmacology

Leaf oil

1. Frontiers in pharmacology

Stem and fruit oils

1. Frontiers in pharmacology