Acanthospermum australe
Acanthospermum australe · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Acanthospermum australe is a botanical species currently being investigated for its diverse pharmacological potential. Recent scientific studies have focused on evaluating its antiplasmodial activities against malaria-causing parasites. Researchers have utilized various preparations, including crude extracts, to isolate its bioactive constituents. Specifically, the dichloromethane extract has shown significant promise in preliminary screening processes. Understanding these chemical properties is essential for developing new therapeutic interventions from this plant.
- Synonyms
- Melampodium Australe · Acanthospermum Brasilium · 6 more
- Common names
- Not available
- Family
- Asteraceae
- Distribution
- Southern America
- Plant Parts
- Not available
Classification
Common Names
Acanthospermum australe is a versatile plant recognized by a diverse array of common names across different regions. It is widely known as the Australian Starbur, though it is also frequently referred to as the Brazilian Starbur. In certain local contexts, it may be called the Creeping Starbur to describe its growth habit. The plant also carries regional identifiers such as Australiese sterklits and the name Agtsadige kruipsterklits. These various names highlight the widespread presence and cultural recognition of this unique species.
Sources: Catalogue of Life (COL)
Synonyms
Acanthospermum australe is a taxonomically complex species that is recognized by several different scientific names. Within botanical literature, it is frequently referred to by its synonyms, including Acanthospermum brasilium and Acanthospermum hirsutum. The plant is also closely linked to Acanthospermum xanthioides, a name that appears across various studies. This relationship extends further into specific varieties, such as Acanthospermum xanthioides var. acutifolium and Acanthospermum xanthioides var. obtusifolium. Understanding these overlapping designations is essential for accurately identifying the plant in diverse ecological contexts.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Acanthospermum australe is a specialized member of the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. The plant belongs to the diverse order Asterales, which helps define its evolutionary lineage. It is further nested within the prominent family Asteraceae, a group known for its distinctive floral structures. Ultimately, this species is identified by its specific genus, Acanthospermum.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Acanthospermum |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Acanthospermum australe is a resilient species with a wide distribution spanning across various regions of the African continent. It is commonly found throughout South Tropical Africa, establishing itself in countries such as Angola, Mozambique, Zambia, and Zimbabwe. Beyond these tropical zones, the plant also extends its reach into the Southern African region. Specifically, its presence is noted within the Cape Provinces, demonstrating a remarkable adaptability to different climates. This broad geographic range highlights the successful establishment of the species across diverse African landscapes.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Acanthospermum australe is a self-supporting herb characterized by its distinct growth form. This plant typically reaches a maximum height of 0.8 meters, making it a compact addition to its ecosystem. Depending on environmental conditions, its stature can vary significantly, with a minimum height starting at 0.1 meters. More specifically, many specimens are observed to maintain a minimum height of approximately 0.377 meters. These varying dimensions reflect the plant's adaptable nature within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Acanthospermum australe has demonstrated significant antiplasmodial activity, offering a promising natural alternative in the ongoing search for new antimalarial drugs. Research indicates that the dichloromethane extract of this plant specifically targets the survival mechanisms of the malaria parasite Plasmodium falciparum. By inhibiting the chaperone activity of the heat shock protein 70-1 (PfHsp70-1), the extract disrupts essential protein functions within the parasite. Studies using the pLDH assay revealed a highly potent inhibitory effect, achieving an IC50 value of 1.3 µg/mL against the chloroquine-sensitive 3D7 strain. These findings suggest that the bioactive compounds found in A. australe could serve as a foundation for developing novel therapies to combat drug-resistant malaria.
Compounds
Conditions
Acanthospermum australe is a medicinal plant used in Brazil to treat fever and/or malaria. Research demonstrates that its extracts effectively treat P. falciparum cultures through significant antiplasmodial activity. Specifically, the plant treats the chloroquine-sensitive P. falciparum strain 3D7 with a high degree of potency. The extract also treats Plasmodium falciparum Heat Shock Protein 70-1 by inhibiting its chaperone activity. Through these mechanisms, Acanthospermum australe treats malaria parasite Hsp70 functions to disrupt the parasite's biological processes.
Preparations
Acanthospermum australe is prepared as a crude extract to investigate its potential antimalarial properties in various biological models. In several studies, the plant is processed into a crude extract to evaluate its effectiveness against blood schizontocides and malaria parasites. Specifically, researchers have utilized the dichloromethane extract of this species to target the chaperone activity of Plasmodium falciparum. These different forms, including the general extract and the more specific dichloromethane extract, are used to test antiplasmodial activity. Ultimately, the preparation of Acanthospermum australe as a crude extract serves as a foundation for identifying compounds that could target specific parasite functions.