Odontonema tubaeforme

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Odontonema strictum
• Thyrsacanthus strictus
• Thyrsacanthus pantasmensis
• Odontonema amicorum
• Justicia tubaeformis
• Thyrsacanthus strictus f. evolutior
• Odontonema longifolium
• Odontonema pantasmense
• Odontonema flagellum
• Thyrsacanthus longifolius
• Thyrsacanthus flagellum
• Thyrsacanthus tubaeformis

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 Lamiales, it is further categorized into the family Acanthaceae. Finally, it is specifically identified by the genus Odontonema.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across several key regions within the Pacific Islands. In the Southwestern Pacific, its presence can be noted in Samoa, Tonga, and Vanuatu. Additionally, the species extends into the South-Central Pacific region. Within this area, it is found inhabiting the Cook Islands and the Society Islands. These diverse locations highlight the specific tropical range of the species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Odontonema tubaeforme is characterized by its presence in forest habitats, where it thrives within diverse woodland environments. This species exhibits a broad altitudinal distribution, spanning a significant vertical range from sea level up to an elevation of 2000 m AMSL. This wide elevational gradient allows the plant to occupy various ecological niches, from lowland tropical forests to higher-altitude montane ecosystems.

Elevational range max:

2000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

forest

Life history

The life history of Odontonema tubaeforme is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons rather than completing its cycle within a single year. As a long-lived species, it establishes a robust root system that supports continuous vegetative growth and repeated flowering cycles. Throughout its lifecycle, the plant undergoes stages of development that involve the production of tubular, brightly colored inflorescences, which serve as critical reproductive events to ensure the continuation of the species. Because of its perennial nature, the plant can withstand seasonal fluctuations, often regrowing from its base or rhizomatous structures after periods of dormancy or environmental stress, maintaining a stable presence in its natural habitat over many years.

Lifecycle :

perennial

Morphology

The morphology of Odontonema tubaeforme is characterized by its growth form as a woody shrub that typically reaches a plant height ranging from 1 to 2 meters. It is a terrestrial species, functioning as an independent organism rather than a parasite or an epiphyte. Although it exhibits a self-supporting structural habit, it does not function as an obligatory climber, liana, or vine. The plant's development is strictly land-based, lacking aquatic or semiaquatic tendencies.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

2 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Odontonema tubaeforme is characterized by robust metabolic processes that support its rapid growth and lush, evergreen habit. The plant utilizes an efficient photosynthetic mechanism to maintain its large, glossy foliage, which plays a critical role in energy production and transpiration regulation. A key morphological indicator of its physiological vigor is the expansive surface area of its foliage, where the leaf width reaches a maximum of 18 cm, allowing for significant light interception and gas exchange. This expansive leaf structure facilitates high rates of transpiration, which assists in nutrient transport from the root system to the apical meristems. The plant's vascular system is highly developed to manage the hydraulic pressure required to maintain turgor within these wide leaves, ensuring structural integrity and efficient metabolic turnover throughout its growing season.

Leaf width max:

18 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Odontonema tubaeforme has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, root.

Leaf

1. Bioorganic & medicinal chemistry letters

Root

1. Bioorganic & medicinal chemistry letters

Chemicals

Odontonema tubaeforme has 1 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include STIGMASTEROL.

STIGMASTEROL

1. Bioorganic & medicinal chemistry letters

Activities

Odontonema tubaeforme has 1 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antibacterial.

Antibacterial

1. Bioorganic & medicinal chemistry letters

Preparations