aerva

Names and Synonyms

Common Names

• aerva

Scientific Names

Accepted name

Synonyms

• Ouret persica var. pubescens
• Illecebrum lanatum
• Aerva lanata var. robusta
• Aerva lanata var. viridis
• Aerva lanata var. steudneri
• Paronychia lanata
• Aerva lanata
• Aerva lanata var. orbicularis
• Amaranthus lanatus
• Aerva lanata var. elegans
• Alternanthera pubescens
• Amaranthus aeruoides
• Aerva lanata f. grandifolia
• Aerva lanata var. citrina
• Aerva elegans
• Aerva floribunda
• Aerva mozambicensis
• Aerva lanata f. microphylla
• Aerva lanata var. pseudojavanica
• Aerva lanata var. rhombea
• Aerva lanata f. squarrosa
• Aerva lanata var. suborbicularis
• Aerva tandalo
• Aerva sansibarica
• Aerva pubescens
• Aerva arachnoidea
• Achyranthes pubescens
• Aerva lanata var. rotundifolia
• Aerva lanata var. microstachys
• Aerva lanata var. floribunda

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Under the subclass Magnoliidae, it follows the order Caryophyllales and is a member of the family Amaranthaceae. Within this lineage, it is specifically categorized under the genus Ouret.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across the African continent. In Northern Africa, it can be specifically found within the borders of Egypt. Moving toward the West Tropical Africa region, the species is well-established in Benin and Burkina. Its presence continues through Ghana, where it remains a notable part of the local flora. Finally, the distribution extends further west to include the nation of Guinea.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Ouret lanaata is characterized by its broad adaptability across diverse environmental niches, ranging from cultivated and disturbed grounds to more stable natural environments such as woodland, bushland, and grassland. It frequently establishes itself at the transitional zones of ecosystems, specifically at swamp and forest edges where moisture levels and light availability vary. This plant displays a significant vertical distribution, occupying an elevational range that extends from as low as 60 m AMSL to a maximum altitude of 1097 m AMSL.

Elevational range max:

1097 m AMSL

Elevational range min:

60 m AMSL

Habitat :

from cultivated and disturbed ground to woodland, bushland and grassland, at swamp and forest edges

Life history

The life history of Ouret lanaata is characterized by its perennial lifecycle, allowing the plant to persist across multiple growing seasons rather than completing its cycle in a single year. In terms of its structural growth habit and survival strategy, the species is classified as a chamaephyte, a life form where the reproductive shoots are located close to the ground level, often protected by accumulated organic matter or leaf litter. This classification as a chamaephyte is consistent across both its morphological descriptions, defining its stature and positioning within its ecological niche.

Life form :

chamaephyte

Lifecycle :

perennial

Morphology

The morphology of Ouret lanaata is characterized by its growth form as a non-woody herb, exhibiting a self-supporting structure without the need for climbing. This terrestrial plant functions independently, neither acting as a parasite nor as an epiphyte. In terms of stature, it displays significant variability in height, ranging from a minimum of 0.1 m to a maximum of 2 m, with an average plant height of approximately 1.25 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

2 m

Plant height mean:

1.25 m

Plant height min:

0.1 m

Woodiness :

non-woody

Physiology

The physiology of Ouret lanaata is characterized by a specialized carbon fixation strategy, utilizing the C4 photosynthetic pathway to enhance efficiency in environments where gas exchange and water conservation are critical. Unlike plants employing C3 or CAM pathways, this C4 mechanism allows for a more concentrated CO2 concentration around the enzyme Rubisco, thereby minimizing photorespiration and maximizing biomass production under high light intensities. Furthermore, regarding its nutrient acquisition capabilities, the plant does not function as a nitrogen fixer; it relies on the uptake of available nitrates and ammonium from the soil rather than engaging in symbiotic nitrogen fixation through specialized root nodules.

Nitrogen fixer :

no

Photosynthetic pathway :

C4

Reproduction

The reproduction of Ouret lanaata is characterized by the production of extremely minute seeds, reflecting a strategy focused on high dispersal potential through small particulate matter. Quantitative analysis of the seed characteristics reveals a highly specialized reproductive output, with a documented mean seed mass of 0.000146667 g. The variability within the seed population is relatively narrow, ranging from a minimum seed mass of 0.00012 g to a maximum seed mass of 0.00019 g. This low mass across the entire population suggests that the plant invests in large quantities of micro-seeds to ensure successful colonization of suitable habitats.

Seed mass max:

0.00019 g

Seed mass mean:

0.000146667 g

Seed mass min:

0.00012 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Ouret lanata has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Chemicals

Ouret lanata has 15 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Betulin, Canthin-6-one, 10-hydroxycanthin-6-one, 10-methoxycanthin-6-one, AFLATOXIN B1.

Betulin

1. Dr. Duke
2. Journal of diabetes

Canthin-6-one

1. Natural product research
2. Planta medica

10-hydroxycanthin-6-one

1. Natural product research

10-methoxycanthin-6-one

1. Natural product research

AFLATOXIN B1

1. Mycopathologia

AFLATOXINS

1. Mycopathologia

BETA-SITOSTEROL

1. Journal of diabetes

IBA

1. TheScientificWorldJournal

Indole-3-butyric acid

1. TheScientificWorldJournal

NAA

1. TheScientificWorldJournal

Activities

Ouret lanata has 14 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antitumor, AntiHIV, Anticarcinomic, Antifeedant, Antiflu.

Antitumor

1. Dr. Duke
2. Immunopharmacology and immunotoxicology

AntiHIV

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antiflu

1. Dr. Duke

Antiglycation

1. Journal of diabetes

Antiinflammatory

1. Dr. Duke

Antioxidant

1. Journal of diabetes

Antiviral

1. Dr. Duke

Aphidifuge

1. Dr. Duke

Preparations