zamia palm

Names and Synonyms

Common Names

• Queensland cycas
• cycad-palm
• nut-palm
• tree-zamia
• zamia-nut
• zamia-nut-palm
• Australian nut palm
• Zamia palm
• Australian Sago

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Cycadidae. It is further classified within the order Cycadales and the family Cycadaceae. Finally, its taxonomic hierarchy concludes with the genus Cycas, to which the species Cycas media belongs.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Cycas media, exhibits a very specific and restricted geographical range. Its natural habitat is primarily located within the continent of Australia. Within this vast landmass, the species is found specifically in the state of Queensland. This localized distribution suggests that the plant thrives under particular environmental conditions unique to this region. Consequently, understanding its presence in Queensland is essential for studying its ecological role and conservation needs.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Cycas media is characterized by a long-lived perennial lifecycle, ensuring its persistence within its natural habitat over many years. As a plant that exhibits both phanerophyte and nanophanerophyte life forms, it typically develops significant woody structures or stems that elevate its photosynthetic organs above the ground, though its growth habit can vary depending on environmental conditions and developmental stages. Throughout its existence, the species maintains an evergreen deciduousness, meaning it retains its lush, green foliage year-round without a seasonal shedding period.

Deciduousness :

evergreen

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Cycas media is characterized by a shrub-like growth form, exhibiting a woody structure throughout its development. The plant reaches a mean height of approximately 3 m and functions as a self-supporting organism, requiring no external support for its vertical progression. It is an independent species that does not exhibit parasitic behavior, maintaining a terrestrial existence rather than growing as an epiphyte.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

3 m

Woodiness :

woody

Physiology

The physiology of Cycas media is characterized by specialized metabolic processes adapted to its gymnospermous nature, particularly regarding its nutritional strategies and reproductive cycles. A defining physiological feature is its relationship with cyanobacteria, often housed within specialized coralloid roots; however, while these associations facilitate nutrient uptake, the plant is not classified as a nitrogen fixer in the sense of possessing the independent enzymatic machinery to convert atmospheric nitrogen into usable forms without these symbiotic intermediaries. In terms of its primary metabolic functions, the plant utilizes a slow-growing photosynthetic mechanism typical of cycads, often involving a large, starch-heavy stem that serves as a primary storage organ for carbohydrates. Its water regulation and mineral transport are governed by a primitive vascular system that manages transpiration rates to survive in seasonally dry environments. Furthermore, its reproductive physiology involves the production of large, energy-intensive megasporophylls and microsporophylls, driven by complex hormonal signaling that regulates the transition from vegetative growth to the development of specialized reproductive structures.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Cycas media has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Ginkgetin, SOTETSUFLAVONE.

Ginkgetin

1. Antibiotics (Basel, Switzerland)

SOTETSUFLAVONE

1. Antibiotics (Basel, Switzerland)

Activities

Cycas media has 4 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Antiproliferative, Antitumor, Cytotoxic.

Antibacterial

1. Molecules (Basel, Switzerland)
2. Antibiotics (Basel, Switzerland)

Antiproliferative

1. Molecules (Basel, Switzerland)

Antitumor

1. Molecules (Basel, Switzerland)

Cytotoxic

1. Molecules (Basel, Switzerland)

Conditions

Cycas media has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include tumor necrosis factor-alpha.

Tumor necrosis factor-alpha

1. Antibiotics (Basel, Switzerland)

Preparations

Cycas media has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include methanolic extract.

Methanolic extract

1. Molecules (Basel, Switzerland)