Tabernaemontana peduncularis

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Tabernaemontana langbianensis
• Tabernaemontana graciliflora
• Tabernaemontana collignonae
• Tabernaemontana repoevensis
• Ervatamia peduncularis
• Ervatamia repeunsis
• Ervatamia graciliflora
• Ervatamia langbianensis

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Gentianales and the family Apocynaceae. Finally, it is specifically identified by the genus Tabernaemontana, of which Tabernaemontana peduncularis is a member.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a wide geographical distribution across several distinct regions of Southeast Asia. Within the Indo-China region, it can be found growing in Cambodia, Myanmar, Thailand, and Vietnam. Furthermore, its presence extends into the Malesia region, specifically within Malaya. This range demonstrates the species' ability to thrive across diverse tropical landscapes in these specific territories. Consequently, its occurrence is closely linked to these particular Southeast Asian habitats.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Tabernaemontana peduncularis is characterized by its long-term existence as a perennial organism, ensuring its stability within its ecological niche over multiple growing seasons. Structurally, the plant exhibits a dual classification of life forms depending on its developmental stage and environmental interaction; it primarily functions as a phanerophyte, maintaining its stems well above the ground level to support its growth habit. Furthermore, it can be categorized as a nanophanerophyte, reflecting a specific growth architecture where the woody parts are relatively low but still elevated above the soil surface.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Tabernaemontana peduncularis is characterized by a woody growth form that can manifest as either a tree or a shrub. As a terrestrial and independent organism, it does not function as a parasite or an epiphyte. The plant typically reaches a mean height of 3.5 m, though it can grow to a maximum height of up to 5 m. In terms of its structural habit, it is classified as a self-supporting plant rather than a climber.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height max:

5 m

Plant height mean:

3.5 m

Woodiness :

woody

Physiology

The physiology of Tabernaemontana pedunculata is characterized by its metabolic processes and nutrient acquisition strategies typical of many members of the Apocynaceae family. As a woody perennial, it engages in complex photosynthetic pathways to drive biomass production and secondary metabolite synthesis, which are essential for its survival in tropical environments. Regarding its interaction with soil nutrients, the plant does not possess the physiological mechanisms required for symbiotic nitrogen fixation; therefore, it is categorized as a non-nitrogen fixer. Consequently, its nitrogen requirements are met through the active uptake of nitrates and ammonium from the soil via its root system, rather than through biological nitrogen fixation facilitated by diazotrophic bacteria. This reliance on soil nitrogen availability influences its growth rates and its distribution within ecosystems where nitrogen mineralization is sufficient to support its physiological demands.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Tabernaemontana peduncularis has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antiplasmodial.

Antiplasmodial

1. Experimental parasitology

Preparations

Tabernaemontana peduncularis has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Chloroform extracts.

Chloroform extracts

1. Experimental parasitology