Melaleuca citrina

Names and Synonyms

Common Names

• Melaleuca citrina

Scientific Names

Accepted name

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. As a member of the subclass Magnoliidae and order Myrtales, it falls under the family Myrtaceae. Finally, it is categorized within the genus Melaleuca.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found in a very specific region of the world. Its natural habitat is located within the continent of Australia. More specifically, its presence is concentrated in the state of Western Australia. Because of this limited range, it is considered an endemic species to that particular area. Therefore, its geographical distribution is quite restricted to this single western territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Melaleuca lutea is defined by its adaptation to specific altitudinal gradients, thriving within a distinct vertical distribution across its native landscape. This species is primarily situated within a specialized elevational range, typically occupying high-altitude environments where it maintains a mean elevation of approximately 2800 m AMSL. While it is most frequently encountered in these higher montane zones, its ecological niche extends across a diverse topographical spectrum, reaching a maximum elevation of 1500 m AMSL in certain localized habitats. This distribution suggests a close relationship with the unique climatic conditions, soil compositions, and moisture regimes characteristic of high-altitude ecosystems, where it plays a functional role in the local botanical community.

Elevational range max:

1500 m AMSL

Elevational range mean:

2800 m AMSL

Life history

The life history of Melaleuca lutea is characterized by a perennial lifecycle, allowing the plant to persist across multiple growing seasons. In terms of its structural growth and ecological positioning, it exhibits a dual life form classification, functioning as both a phanerophyte, where its buds are borne on branches well above the ground, and a nanophanerophyte. This species maintains an evergreen deciduousness, ensuring that it retains its foliage throughout the year rather than shedding it seasonally.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Melaleuca lutea is characterized by a woody, self-supporting growth form, primarily manifesting as a shrub. As a terrestrial species, it does not exhibit aquatic or epiphytic tendencies, functioning as an independent organism rather than a parasite. In terms of physical stature, the plant displays significant variability in height; while individual specimens may be as short as 0.5 to 1 meter, they can reach a maximum height of 3 meters, with an observed mean height of approximately 4.5 meters in certain ecological contexts. Its structural integrity is defined by its woody nature, ensuring it remains a sturdy, self-supporting shrub throughout its life cycle.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

3 m

Plant height mean:

4.5 m

Plant height min:

0.5 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Melaleuca lutea is characterized by a C3 photosynthetic pathway, a metabolic strategy common to many woody shrubs that optimizes carbon fixation under specific environmental conditions. Its vegetative structure is defined by narrow, linear leaves that exhibit significant morphological variation; these leaves typically range in length from a minimum of 3 cm to a maximum of 7 cm, while their width is constrained between a minimum of 0.5 cm and a maximum of 0.8 cm. Furthermore, the plant does not function as a nitrogen fixer, meaning it relies on the uptake of available nitrogen from the soil rather than through symbiotic associations with nitrogen-fixing bacteria.

Leaf length max:

7 cm

Leaf length min:

3 cm

Leaf width max:

0.8 cm

Leaf width min:

0.5 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Melaleuca lutea is characterized by a specific phenological cycle and biotic pollination mechanisms. The flowering period typically begins in March and concludes in April, though the timing can be variable throughout the year. This reproductive process relies on biotic pollination, specifically utilizing birds as a primary pollination syndrome to facilitate genetic exchange. Once fertilization is successful, the plant produces seeds with a highly diminutive mass; the mean seed mass is approximately 0.00022065 g, with individual seeds ranging from a minimum of 0.000037 g to a maximum of 0.00039 g.

Flowering time :

Mar

Flowering time :

Apr

Pollination syndrome :

bird

Pollination syndrome :

biotic

Seed mass max:

0.00039 g

Seed mass mean:

0.00022065 g

Seed mass min:

3.7e-05 g

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

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

Chemopreventive

1. Natural product research