alstonia
Alstonia boonei · Accepted scientific name
Scientific literature: Moderate (102 studies) · ★★★☆☆
Alstonia, scientifically known as Alstonia boonei, is a significant medicinal tree native to tropical Africa. Renowned for its diverse pharmacological properties, various parts of the plant are traditionally used to treat malaria, fever, and inflammation. It serves as a vital resource in ethnobotanical practices for managing various ailments.
- Family
- Apocynaceae
- Native range
- Africa
- Parts used
- Stem · Leaf
- Common names
- Alstonia · Cheesewood · 3 more
- Scientific synonyms
- Not available
Names and Synonyms
Common Names
- alstonia
- cheesewood
- patternwood
- stoolwood
- Boone Alstonia
Scientific Names
Accepted name
Alstonia booneiRegional and Traditional Names
French:
- Ekouk
- Emien
Sources: Wikidata, Catalogue of Life
Taxonomical Classification
This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It falls under the subclass Magnoliidae and the order Gentianaales, specifically residing in the family Apocynaceae. Its taxonomic identity is completed by its classification within the genus Alstona.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Apocynaceae |
| Genus | Alstonia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
This plant, known as Alstonia boonei, exhibits a specific distribution pattern throughout the West Tropical African region. Its presence is documented across several coastal and inland nations within this diverse ecological zone. Specifically, the species can be found growing in the territories of Benin and Gambia. Furthermore, its geographical range extends into the countries of Ghana and Guinea-Bissau. The distribution is completed by its documented occurrence within the nation of Guinea.
| Region | Area |
|---|---|
| West Tropical Africa | Benin |
| West Tropical Africa | Gambia |
| West Tropical Africa | Ghana |
| West Tropical Africa | Guinea-Bissau |
| West Tropical Africa | Guinea |
| West Tropical Africa | Ivory Coast |
| West Tropical Africa | Liberia |
| West Tropical Africa | Nigeria |
| West Tropical Africa | Senegal |
| West Tropical Africa | Sierra Leone |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Life history
The life history of Alstonia boonei is characterized by its status as a perennial plant, ensuring its long-term presence within its ecological niche. As a phanerophyte, it maintains its photosynthetic organs on elevated woody stems, a life form that allows it to compete effectively for sunlight in forested environments. This species exhibits a deciduous nature, undergoing seasonal leaf shedding which plays a crucial role in its physiological adaptation to environmental cycles.
- Deciduousness :
- deciduous
- Life form :
- phanerophyte
- Lifecycle :
- perennial
Morphology
The morphology of Alstonia boonei is characterized by its robust growth form, specifically classified as a tree. This woody species exhibits significant vertical development, with a plant height that ranges from a minimum of approximately 9.14 meters to a maximum of 36.58 meters, maintaining an average height of around 30 meters. As a terrestrial organism, it is neither aquatic nor an epiphyte, functioning as an independent plant rather than a parasite. In terms of its structural habit, the plant is self-supporting and does not function as a liana or vine, maintaining a sturdy, woody stature throughout its development.
- Aquatic :
- terrestrial
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- tree
- Parasite :
- independent
- Plant height max:
- 36.57644477 m
- Plant height mean:
- 30 m
- Plant height min:
- 9.144111192 m
- Woodiness :
- woody
Physiology
The physiology of Alstonia boonii is characterized by a C3 photosynthetic pathway, meaning it utilizes the Calvin cycle to fix carbon dioxide through the enzyme RuBisCO, a process typical of many woody dicotyledonous plants found in tropical environments. In terms of nutrient acquisition and symbiotic relationships, the plant is not a nitrogen fixer, lacking the specialized root nodules or symbiotic associations with diazotrophic bacteria required to convert atmospheric nitrogen into usable forms.
- Nitrogen fixer :
- no
- Photosynthetic pathway :
- C3
Reproduction
The reproduction of Alstonia boonii is characterized by a highly flexible phenology and complex biological interactions. The flowering period is highly variable, with the potential to bloom across all months of the year, from January through December. This reproductive cycle relies on biotic pollination syndromes, specifically involving insects. Within this biotic framework, bees play a significant role in the pollination process, facilitating the transfer of pollen between flowers. Once fertilization is successful and seeds are developed, the plant utilizes an anemochorous dispersal syndrome, meaning the seeds are primarily dispersed by the action of the wind to colonize new areas.
- Dispersal syndrome :
- anemochorous
- Flowering time :
- variable
- Pollination syndrome :
- insect
- Pollination syndrome :
- bee
- Pollination syndrome :
- biotic
Sources: Global Inventory of Floras and Traits (GIFT)
Plant Parts
Alstonia boonei has 3 reported plant parts identified across 10 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem, leaf, root.
| Plant part | Supporting sources | Consensus |
|---|---|---|
| Stem | 6 supporting sources | ★★★☆☆ |
| Leaf | 3 supporting sources | ★★☆☆☆ |
| Root | 1 supporting sources | ★☆☆☆☆ |
Stem
- Antioxidants (Basel, Switzerland)
- African health sciences
- Molecules (Basel, Switzerland)
- Journal of ethnopharmacology
- BMC complementary medicine and therapies
View 1 additional sources
- Journal of inflammation research
Leaf
- Journal of ethnopharmacology
- African journal of medicine and medical sciences
- Antioxidants (Basel, Switzerland)
Root
- Journal of ethnopharmacology
Chemicals
Alstonia boonei has 23 reported phytochemicals identified across 10 scientific publications and several other databases. The most consistently reported chemicals include Boonein, Saponins, 10-Hydroxyyohimbine, 15-hydroxyangustilobine A, CHLOROGENIC ACID.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| Boonein | 2 supporting sources | ★☆☆☆☆ |
| Saponins | 2 supporting sources | ★☆☆☆☆ |
| 10-Hydroxyyohimbine | 1 supporting sources | ★☆☆☆☆ |
| 15-hydroxyangustilobine A | 1 supporting sources | ★☆☆☆☆ |
| CHLOROGENIC ACID | 1 supporting sources | ★☆☆☆☆ |
| ETHYL ACETATE | 1 supporting sources | ★☆☆☆☆ |
| Echitamidine | 1 supporting sources | ★☆☆☆☆ |
| Estradiol-17-phenylpropionate | 1 supporting sources | ★☆☆☆☆ |
| Flavonoids | 1 supporting sources | ★☆☆☆☆ |
| Glycosides | 1 supporting sources | ★☆☆☆☆ |
Boonein
- ISRN pharmacology
- Molecules (Basel, Switzerland)
Saponins
- Current topics in medicinal chemistry
- BMC complementary and alternative medicine
10-Hydroxyyohimbine
- BMC complementary medicine and therapies
15-hydroxyangustilobine A
- Journal of ethnopharmacology
CHLOROGENIC ACID
- Antioxidants (Basel, Switzerland)
ETHYL ACETATE
- Molecules (Basel, Switzerland)
Echitamidine
- ISRN pharmacology
Estradiol-17-phenylpropionate
- BMC complementary medicine and therapies
Flavonoids
- BMC complementary and alternative medicine
Glycosides
- Current topics in medicinal chemistry
Activities
Alstonia boonei has 14 reported activities identified across 10 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antibacterial, Antimalarial, Antipyretic, Analgesic.
| Activity | Supporting sources | Consensus |
|---|---|---|
| Antioxidant | 3 supporting sources | ★★☆☆☆ |
| Antibacterial | 2 supporting sources | ★☆☆☆☆ |
| Antimalarial | 2 supporting sources | ★☆☆☆☆ |
| Antipyretic | 2 supporting sources | ★☆☆☆☆ |
| Analgesic | 1 supporting sources | ★☆☆☆☆ |
| Antiarthritic | 1 supporting sources | ★☆☆☆☆ |
| Anticancer | 1 supporting sources | ★☆☆☆☆ |
| Antidiabetic | 1 supporting sources | ★☆☆☆☆ |
| Antiinflammatory | 1 supporting sources | ★☆☆☆☆ |
| Antimicrobial | 1 supporting sources | ★☆☆☆☆ |
Antioxidant
- Journal of medicinal food
- Current topics in medicinal chemistry
- Antioxidants (Basel, Switzerland)
Antibacterial
- Current topics in medicinal chemistry
- PloS one
Antimalarial
- ISRN pharmacology
- Current topics in medicinal chemistry
Antipyretic
- ISRN pharmacology
- Journal of ethnopharmacology
Analgesic
- Journal of ethnopharmacology
Antiarthritic
- Journal of ethnopharmacology
Anticancer
- Current topics in medicinal chemistry
Antidiabetic
- ISRN pharmacology
Antiinflammatory
- Journal of ethnopharmacology
Antimicrobial
- ISRN pharmacology
Medicinal Uses
Alstonia boonei has 29 reported medicinal uses identified across 10 scientific publications and several other databases. The most consistently reported uses include malaria, cancer, hypertension, inflammation, rheumatism.
Most Reported Uses
| Use | Sources | Consensus |
|---|---|---|
| malaria | Current topics in medicinal chemistry (and other 5 sources) | ★★★☆☆ |
| cancer | Journal of ethnopharmacology (and other 2 sources) | ★☆☆☆☆ |
| hypertension | Current topics in medicinal chemistry (and other 2 sources) | ★☆☆☆☆ |
| inflammation | Current topics in medicinal chemistry (and other 2 sources) | ★☆☆☆☆ |
| rheumatism | Current topics in medicinal chemistry (and other 2 sources) | ★☆☆☆☆ |
| Enterococcus faecium | PloS one (and other 1 sources) | ★☆☆☆☆ |
| Ewing sarcoma | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| Obesity | BMC complementary medicine and therapies (and other 1 sources) | ★☆☆☆☆ |
| Salmonella paratyphi | African journal of medicine and medical sciences (and other 1 sources) | ★☆☆☆☆ |
| Staphylococcus aureus | PloS one (and other 1 sources) | ★☆☆☆☆ |
Preparations
| Preparations | Sources | Consensus |
|---|---|---|
| Ahun (Bark) | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| Aqueous extracts from the stem-bark | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| Ethanol-water (1:1) extracts | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| Extracts | Phytotherapy research : PTR (and other 1 sources) | ★☆☆☆☆ |
| Ghanaian antiarthritic herbal preparation | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| Lime extracts of powdered combination of stem bark | African health sciences (and other 1 sources) | ★☆☆☆☆ |
| Methanolic extracts | Journal of medicinal food (and other 1 sources) | ★☆☆☆☆ |
| Stem back | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |
| boiling water extract | Journal of ethnopharmacology (and other 1 sources) | ★☆☆☆☆ |
| extracts | Frontiers in pharmacology (and other 1 sources) | ★☆☆☆☆ |