Nauclea orientalis
Nauclea orientalis · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Nauclea orientalis is a significant botanical species recognized for its diverse range of pharmacological activities, particularly its potential antitumor properties. The plant's therapeutic potential is derived from various parts, including the stem and leaves, which are often utilized in specific preparations. Researchers have focused on studying the ammoniacal extract, the bark, and dried Nauclea orientalis leaves to isolate beneficial compounds. Chemical analyses of these materials have identified key bioactive substances such as 10-Hydroxyangustine, Kelampayoside A, Lignans, and Pumiloside. Understanding these chemical constituents is essential for advancing the medicinal applications of this remarkable plant.
- Synonyms
- Cadamba Nocturna · Bancalus Orientalis · 29 more
- Common names
- Not available
- Family
- Rubiaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Stem
Classification
Common Names
Nauclea orientalis is a versatile botanical species known by a diverse array of regional and common names. In certain areas, it is widely recognized as the Bangkal or the Gempol. It is also frequently referred to as the Cape York leichardt, reflecting its geographical associations. Many enthusiasts and botanists simply call it the Leichhardt tree. Furthermore, it is sometimes identified as the Leichhardt-pine, showcasing the various ways this plant is categorized across different cultures.
Sources: Catalogue of Life (COL)
Synonyms
Nauclea orientalis is a botanical species that has been identified by various names throughout scientific history. This plant is recognized under several synonyms, including the designations Adina orientalis and Bancalus grandifolius. It has also been cataloged in literature as Bancalus orientalis and Cadamba nocturna. Furthermore, researchers have historically referred to this specimen as Cephalanthus orientalis. Understanding these various nomenclatures is essential for maintaining accuracy in taxonomic studies.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Nauclea orientalis is a distinctive member of the kingdom Plantae. This species is classified under the class Equisetopsida and belongs to the order Gentianales. Within this botanical hierarchy, it is further defined by its placement in the family Rubiaceae. The plant is also a primary representative of the genus Nauclea. Understanding these scientific relationships provides essential insight into its evolutionary history and biological identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Nauclea |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Nauclea orientalis is a widespread species primarily distributed across the tropical regions of Asia. Within the Indian Subcontinent, it can be found spanning across both Bangladesh and Sri Lanka. The plant also maintains a significant presence throughout the Indo-China peninsula. Specifically, its range extends through the diverse landscapes of Cambodia, Laos, and Myanmar. This broad geographical footprint highlights the plant's adaptability to various tropical environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Nauclea orientalis is a robust, self-supporting tree that commands attention in its natural habitat. This species is characterized by its impressive growth form, establishing a sturdy presence in the forest canopy. Depending on the environmental conditions, the tree typically reaches a height of at least 10 meters. While some specimens may cap out at 21 meters, others have the potential to grow even larger. Ultimately, this tree can achieve a towering stature of up to 27.5 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Nauclea orientalis is one of several significant Lao plant species currently being investigated for its medicinal potential. Researchers exploring the rich biodiversity of Laos have identified this plant as a key source of bioactive small-molecule constituents. Specifically, studies into these species have revealed that certain isolated compounds possess notable antitumor activity. By examining these bioactive elements, scientists hope to identify promising lead compounds for further pharmaceutical development. This ongoing research aims to transform traditional knowledge into effective therapeutic agents for the treatment of cancer.
Compounds
Nauclea orientalis serves as a rich source of diverse chemical compounds found within its leaves and bark. Detailed phytochemical analyses have revealed that the plant contains the indole alkaloid 10-hydroxyangustine, which has demonstrated antiproliferative activity. Additionally, the bark of the species is known to contain kelampayoside A and the compound pumiloside. Research also identifies the presence of sterols such as sitosterol within its chemical profile. Finally, the plant contains sitosteryl beta-D-glucoside, further highlighting its complex secondary metabolite composition.
Conditions
Nauclea orientalis contains indole alkaloids that demonstrate significant in vitro antiproliferative activity. These specific compounds effectively treat EGF (epidermal growth factor)-dependent mouse epidermal keratinocytes. Additionally, the plant's extracts show the ability to treat the human bladder carcinoma T-24 cell line. This therapeutic potential is linked to the angustine-type alkaloids isolated from the plant's leaves. Such biological effects highlight the medicinal relevance of the alkaloids found within Nauclea orientalis.
Preparations
Nauclea orientalis is utilized in various forms to facilitate the isolation of bioactive indole alkaloids. Researchers have prepared the plant as an ammoniacal extract to significantly increase the formation of angustine-type alkaloids from precursors. Additionally, the bark of Nauclea orientalis serves as a source for identifying new alkaloids such as nauclealines and naucleosides. The plant is also processed as dried Nauclea orientalis leaves, which contain minor quantities of specific alkaloids. These different preparation methods allow for the effective study of the species' diverse chemical profile.
Parts used
Nauclea orientalis serves as a rich botanical source for several bioactive indole alkaloids. Scientific investigations have successfully isolated these specialized compounds from both the leaves and the stems of the plant. Research highlights the presence of unique structures, such as the rare corynanthe-type alkaloid nauclorienine, within these specific plant parts. Furthermore, studies on dried leaves have identified minor quantities of angustine-type alkaloids that exhibit significant anti-proliferative activity. These findings underscore the medicinal potential inherent in the different morphological components of the species.