Tabernaemontana corymbosa

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Ervatamia corymbosa
• Pagiantha corymbosa
• Tabernaemontana kweichowensis
• Tabernaemontana yunnanensis
• Tabernaemontana yunnanensis var. heterosepala
• Randia sumatrana
• Ervatamia corymbosa var. pubescens
• Tabernaemontana hirta
• Pagiantha peninsularis
• Pseudixora sumatrana
• Ervatamia yunnanensis
• Ervatamia yunnanensis var. heterosepala
• Tabernaemontana baviensis
• Ervatamia pauciflora var. minor
• Tabernaemontana tsiangiana
• Tabernaemontana cymulosa
• Pagiantha peninsularis var. breviloba
• Tabernaemontana sumatrana
• Tabernaemontana pubituba
• Tabernaemontana peninsularis
• Tabernaemontana laotica
• Tabernaemontana kwangsiensis
• Tabernaemontana inaequalifolia
• Tabernaemontana carinata
• Tabernaemontana chinensis
• Tabernaemontana continentalis
• Tabernaemontana continentalis var. pubiflora
• Ervatamia chinensis
• Ervatamia continentalis
• Ervatamia continentalis var. pubiflora
• Ervatamia baviensis
• Ervatamia laotica
• Ervatamia kwangsiensis
• Ervatamia kweichowensis
• Ervatamia inaequalifolia
• Ervatamia jasminiflora
• Ervatamia hirta
• Ervatamia tenuiflora
• Ervatamia longopedicellata
• Ervatamia phuongii
• Ervatamia pauciflora

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is placed in the order Gentianales and the family Apocynaceae. Finally, it is identified by the genus Tabernaemontana.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical range across several key regions in Asia. In China, its distribution spans from the South-Central areas to the Southeast provinces. It can also be found growing on the tropical island of Hainan. Moving toward the Indian Subcontinent, the species is documented within the borders of Bangladesh. Finally, its presence extends into Indo-China, specifically within the country of Cambodia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Tabernaemontana corymbosa is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons. As a phanerophyte, its regenerative buds are located high above the ground on woody stems, a structural adaptation that defines its growth habit and life form. This classification as a phanerophyte is consistent across its developmental stages, ensuring its survival and structural stability within its ecological niche over an extended lifespan.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Tabernaemontana corymbosa is characterized by a woody growth form, primarily functioning as a tree. It reaches a mean plant height of approximately 5 m, though it can grow to a maximum height of up to 10 m. As a terrestrial species, it is not an epiphyte, and it functions as an independent organism rather than a parasite. While it possesses a self-supporting structure, it can also exhibit traits consistent with a self-supporting liana or vine.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Plant height mean:

5 m

Woodiness :

woody

Physiology

The physiology of Tabernaemontana corymbosa is characterized by complex metabolic pathways centered on the biosynthesis of diverse secondary metabolites, particularly indole alkaloids, which are synthesized through specialized biochemical transformations of amino acid precursors. Its physiological processes involve efficient photosynthetic mechanisms to support growth in tropical environments, utilizing specialized leaf structures to optimize light absorption and gas exchange. In terms of nutrient cycling and soil interaction, the plant does not engage in symbiotic relationships with diazotrophic bacteria for atmospheric gas conversion; specifically, it is not a nitrogen fixer (trait_1: no). The plant relies on the uptake of mineralized nitrogen from the soil through its root system to facilitate protein synthesis and cellular development. Furthermore, its physiological resilience is bolstered by the production of various phytochemicals that serve defensive functions against herbivory and environmental stressors, maintaining homeostatic balance within its various tissues.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Tabernaemontana corymbosa has 2 reported plant parts identified across 3 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem, leaf.

Stem

1. Journal of natural products
2. Fitoterapia

Leaf

1. Journal of natural products

Chemicals

Tabernaemontana corymbosa has 7 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include 19(S)-Hydroxyibogamine, 19-epi-Isovoacristine, Phenols, Saponins, Sterols.

19(S)-Hydroxyibogamine

1. Journal of natural products

19-epi-Isovoacristine

1. Journal of natural products

Phenols

1. The Journal of pharmacy and pharmacology

Saponins

1. The Journal of pharmacy and pharmacology

Sterols

1. The Journal of pharmacy and pharmacology

Vincamajicine

1. The Journal of pharmacy and pharmacology

indole

1. Chemistry & biodiversity

Activities

Tabernaemontana corymbosa has 5 reported activities identified across 3 scientific publications and several other databases. The most consistently reported activities include Analgesic, Anthelmintic, Antimicrobial, Antiviral, Cytotoxic.

Analgesic

1. The Journal of pharmacy and pharmacology

Anthelmintic

1. The Journal of pharmacy and pharmacology

Antimicrobial

1. The Journal of pharmacy and pharmacology

Antiviral

1. The Journal of pharmacy and pharmacology

Cytotoxic

1. Journal of natural products

Conditions

Tabernaemontana corymbosa has 6 reported investigations on conditions identified across 3 scientific publications and several other databases. The most consistently reported conditions include fever, glioma, orchitis, syphilis, tumors.

Fever

1. The Journal of pharmacy and pharmacology
2. Chemistry & biodiversity

Glioma

1. Chemistry & biodiversity

Orchitis

1. The Journal of pharmacy and pharmacology

Syphilis

1. The Journal of pharmacy and pharmacology

Tumors

1. Chemistry & biodiversity

Ulcers

1. Chemistry & biodiversity

Preparations

Tabernaemontana corymbosa has 3 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include leaf and stem-bark extract, leaf extract, stem bark.

Leaf and stem-bark extract

1. Journal of natural products

Leaf extract

1. Journal of natural products

Stem bark

1. Fitoterapia