Paspalum conjugatum
Paspalum conjugatum · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Paspalum conjugatum, commonly known as sour grass, is a creeping perennial grass frequently found in tropical and subtropical regions. While it is often categorized as a common weed in agricultural settings, this plant possesses unique biological properties. Recent scientific investigations have highlighted its potential medicinal value, specifically regarding its bioactive compounds. Research indicates that extracts from this species exhibit significant antifungal activities against various pathogens. Consequently, studying this plant offers promising avenues for developing new natural treatments for fungal infections.
- Synonyms
- Paspalum Longissimum · Paspalum Sieberianum · 7 more
- Common names
- Not available
- Family
- Poaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Paspalum conjugatum is a versatile plant known by many different names across various regions and cultures. In some areas, it is commonly referred to as Crab Grass or Hilo grass. It also carries the local name Herbe Créole, reflecting its widespread presence in tropical landscapes. Depending on the linguistic context, you might hear it called Johnston grass or Rumput Kerbau. These diverse monikers highlight the plant's global reach and its significant role in different ecosystems.
Sources: Catalogue of Life (COL)
Synonyms
Paspalum conjugatum is a botanical species characterized by a complex history of taxonomic synonymy. Throughout various scientific classifications, it has been identified under several different names, including Digitaria conjugata and Panicum conjugatum. Research has also linked the plant to the synonyms Paspalum africanum and Paspalum ciliatum. Furthermore, the specific form Paspalum conjugatum f. tristachyum is recognized as a synonymous variation of the species. Understanding these diverse nomenclatural relationships is essential for accurate plant identification and study.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Paspalum conjugatum is a distinctive member of the kingdom Plantae. Within this vast biological group, it is specifically classified under the class Equisetopsida. It belongs to the order Poales, which helps define its structural characteristics. Furthermore, this species is a part of the widely recognized family Poaceae. Ultimately, its biological identity is rooted in its placement within the genus Paspalum.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Poales |
| Family | Poaceae |
| Genus | Paspalum |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Paspalum conjugatum exhibits a widespread distribution across several diverse regions within the African continent. Its presence is noted throughout East Tropical Africa, spanning specifically from the landscapes of Tanzania to the terrain of Uganda. The species also extends into Northeast Tropical Africa, where it can be found within Ethiopia. Moving further south, the plant maintains a foothold in the South Tropical Africa region, particularly in Angola. Remarkably, its reach even extends beyond the mainland to include isolated areas like Ascension in the Middle Atlantic Ocean.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Paspalum conjugatum is a distinct herb characterized by its self-supporting growth form. This resilient plant typically reaches a maximum height of 1 meter as it matures. Depending on environmental conditions, its stature can vary significantly, often measuring as low as 0.2 meters. In many observed instances, the plant maintains a more consistent height starting around 0.6 meters. Together, these physical traits define the structural presence of this species within its habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Paspalum conjugatum has been identified as a significant source of bioactive compounds through bioactivity-guided fractionation. Researchers utilized fatty acid synthase from Saccharomyces cerevisiae to isolate various chemical entities, including isoflavones and flavones, from this plant species. Among the isolated substances, specific molecules like 3'-Formylgenistein demonstrated potent inhibitory effects against fatty acid synthase. These compounds were subsequently evaluated for their broader antifungal potential against pathogens such as Candida albicans and Cryptococcus neoformans. Ultimately, the study highlighted the plant's capacity to yield diverse chemotypes with measurable antifungal activity.
Compounds
Conditions
Paspalum conjugatum serves as a source for isolating various natural products that can inhibit fatty acid synthase, a known antifungal target. Through bioactivity-guided fractionation, researchers identified several chemotypes from this plant, including isoflavones, flavones, and triterpenoids. Specific isolated compounds from this species were tested for their potential to treat fungal infections by targeting metabolic enzymes. The study evaluated these substances against pathogenic fungi such as Candida albicans and Cryptococcus neoformans. Ultimately, while these plant-derived compounds showed inhibitory effects on fatty acid synthase, a direct correlation between that inhibition and overall antifungal activity was not established.