Queensland kauri

Names and Synonyms

Common Names

• Dundathu-pine
• North Queensland kauri
• North Queensland kauri-pine
• Queensland kauri
• Queensland kauri-pine
• South Queensland kauri
• South Queensland kauri-pine
• kauri-pine
• smoothbark kauri

Scientific Names

Accepted name

Synonyms

• Dammara robusta

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and class Equisetopsida. It is further organized under the subclass Pinidae and order Pinales, falling into the family Araucariaceae. Finally, its specific taxonomic identity is established within the genus Agathis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several distinct tropical regions. In West Tropical Africa, its presence is specifically noted within the Ivory Coast. Moving to the Western Indian Ocean, it can be found on the island of Mauritius. The species also extends into Papuasia, spanning both the Bismarck Archipelago and New Guinea. Finally, its range reaches the continent of Australia, specifically within the state of Queensland.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Agathis robusta is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. It adopts a phanerophyte life form, specifically categorized both as a phanerophyte and a nanophanerophyte, which indicates that its buds are located on aerial shoots well above the ground level. Furthermore, the plant maintains an evergreen deciduousness, ensuring that it retains its foliage throughout its life cycle rather than shedding it seasonally.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Agathis robusta is characterized by its massive stature as a large tree, reaching a significant mean height of approximately 45 m. This species exhibits a woody constitution and is classified as a self-supporting growth form rather than a climber or vine. As a terrestrial plant, it does not function as an epiphyte or an aquatic organism, maintaining an independent life cycle without acting as a parasite on other species.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height mean:

45 m

Woodiness :

woody

Physiology

The physiology of Agathis robusta is characterized by a metabolic framework consistent with most coniferous species, utilizing a C3 photosynthetic pathway to facilitate carbon fixation. This process involves the direct carboxylation of ribulose-1,5-bisphosphate by the enzyme RuBisCO, which is typical for plants operating under non-succulent, temperate to subtropical environmental conditions. Furthermore, regarding its nutrient cycling capabilities, the plant does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with diazotrophic bacteria required to convert atmospheric nitrogen into bioavailable forms, relying instead on the uptake of nitrogenous compounds directly from the soil substrate.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Agathis robusta is characterized by an abiotic pollination strategy, specifically relying on wind as the primary pollination syndrome. This wind-driven process facilitates the transfer of pollen, ensuring genetic exchange within the species. Once fertilization is successful, the plant produces seeds that exhibit a relatively consistent size profile. The seed mass ranges from a minimum of 0.04082 g to a maximum of 0.05 g, with an average seed mass of 0.04394 g. Following maturation, the plant utilizes an anemochorous dispersal syndrome, meaning the seeds are dispersed by the wind, allowing them to travel away from the parent plant to colonize new areas.

Dispersal syndrome :

anemochorous

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Seed mass max:

0.05 g

Seed mass mean:

0.04394 g

Seed mass min:

0.04082 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Agathis robusta has 4 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Agathisflavone, Cupressuflavone, RUTIN, shikimic acid.

Agathisflavone

1. Natural product research

Cupressuflavone

1. Natural product research

RUTIN

1. Natural product research

shikimic acid

1. Natural product research

Activities

Agathis robusta has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antibacterial.

Antibacterial

1. Natural product research