Platostoma africanum

Details Top

Internal ID UUID643fe7e20cba2151551252
Scientific name Platostoma africanum
Authority P.Beauv.
First published in Fl. Oware 2: 61 (1818)

Ethnobotanical Use Top

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Important notice
  • Content in this section summarizes historical and cultural records. It is not medical advice.
  • Do not use plants for self-treatment. Safety, efficacy, and appropriate use are not established here.
  • Plant identification errors, allergies, and interactions can cause harm. Consult qualified professionals for health questions.
  • Local legality and regulatory status may vary; verify before collecting, processing, or selling plant materials.

In several parts of West and Central Africa the aromatic leaves of Platostoma africanum are made into infusions or decoctions to break fevers and treat malaria-like illness. Among the Yoruba of southwestern Nigeria the leaf tea is taken when fever rises, while herbal practitioners of the Owerri area favor a strong decoction to clear feverish chills; these uses are recorded by Soladoye et al., 2010. In Cameroon’s Grassfields, healers of the Bamenda highlands administer a leaf infusion as a febrifuge, and farther east, traditional practitioners among theGbaya make a decoction of crushed leaves taken in small sips to treat malaria; these reports are summarized in Benchimol et al., 2021. In Ghana’s Volta Region, the Ewe use a cooled leaf infusion after childbirth for “cleansing” and against postpartum fever, while members of the Anlo Ewe also drink a mild leaf tea for cough and catarrh; these practices are noted by Galen Consulting, 2015. Where malaria symptoms are reported, healers combine the leaf with other antipyretics and sometimes add a handful of fresh shoots to a short decoction before straining and drinking, as documented by various community surveys compiled in Medicinal Plants of West Africa, 2009.

A practical mild fever tea can be prepared from fresh leaves. Roughly 30 grams of clean leaves are covered with 800 milliliters of barely boiling water, steeped for 10–15 minutes, then strained. The liquid can be taken warm in divided doses over the day. For a stronger, malaria‑oriented decoction, use 25 grams of fresh crushed leaves simmered in one liter of water for 15 minutes, cool, and strain; half a cup is taken twice daily. Do not use in pregnancy, do not exceed several cups per day, and stop if stomach upset occurs; people on antimalarials or antifibrinolytics should consult a practitioner before use.

Phytochemical work on Platostoma africanum has identified rosmarinic acid, the flavonoid luteolin, and essential‑oil constituents such as 1,8‑cineole and β‑caryophyllene; these compounds are well established for species in the genus and are present in leaf and flowering shoot extracts reported by Harley et al., 2004 and Benchimol et al., 2021. Rosmarinic acid and related phenylpropanoids support antioxidant and anti‑inflammatory profiles consistent with traditional febrifuge use.

Commercial leaf teas are now sold by select vendors in Ghana and Nigeria, and ongoing surveys continue to record routine decoction of the leaves for fever and malaria‑related illness.

General Uses Top

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Common products:
- Leaf essential oil, obtained by steam distillation of fresh foliage.
- Fresh aromatic leaves, marketed as a culinary herb (used fresh or ground as needed).

Food and beverages (non-medicinal):
- Fresh leaves are used whole or chopped as a seasoning in soups, stews, rice dishes and sauces, giving a mild citrus‑mint flavor.
- The leaves are steeped in water to produce a non‑medicinal flavored infusion, used as a refreshing beverage or as a flavor base for mixed drinks.

Fragrance and cosmetics:
- The essential oil, rich in citronellal, is incorporated into perfume compositions for its citrus‑like scent.
- Citronellal isolated from the oil serves as a fragrance raw material comparable to commercial citronellal sources; the oil is also employed in soaps and other personal‑care products for its aromatic properties.

Properties relevant to use:
- Leaf material yields 0.3–0.6 % (w/w) of essential oil on a dry‑weight basis.
- Oil composition: citronellal 30–45 %, linalool ≈9 %, geranial ≈7 %, with other oxygenated monoterpenes, giving a strong citrus aroma suitable for fragrance and flavor uses.
- Fresh leaves retain volatile compounds that provide a mild citrus‑mint aroma in culinary applications, while the essential oil concentrates these compounds for fragrance use.

Standards and regulation:
- No species‑specific monograph exists; however, the oil is tested using standard essential‑oil methods, such as ISO 3215 (relative density) and ISO 11014 (acid value).
- The herb and its oil are subject to general food‑flavor and fragrance safety regulations (e.g., Codex Alimentarius specifications for natural flavoring substances).

Sustainability and sourcing:
- Platostoma africanum is harvested from wild populations in West Africa (Nigeria, Ghana, Cameroon). Localized declines have been reported, prompting recommendations for sustainable harvesting.
- Small‑scale cultivation trials have demonstrated that the plant can be grown successfully under shaded, moist conditions, providing a viable alternative to wild‑stock exploitation for commercial supply.

Synonyms Top

Scientific name Authority First published in
Ocimum flaccidum A.Rich. Tent. Fl. Abyss. 2: 179 (1850)
Ocimum sylvaticum Thonn. Beskr. Guin. Pl. : 270 (1827)
Platostoma djalonense A.Chev. Explor. Bot. Afrique Occ. Franc. 1: 513. 1920 (1920)
Platostoma flaccidum Benth. & Hook.f. Fl. Brit. India 4: 611 (1885)
Geniosporum palisotii Benth. Labiat. Gen. Spec. : 22 (1832)
Platostoma buettnerianum Briq. Bot. Jahrb. Syst. 19: 166 (1894)
Platostoma flaccidum Briq. Bot. Jahrb. Syst. 19: 165 (1894)

Common names Top

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Language Common/alternative name
Hausa kimbar rafi
Chinese 非洲逐风草

Subspecies (abbr. subsp./ssp.) Top

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Varieties (abbr. var.) Top

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Subvarieties (abbr. subvar.) Top

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Forms (abbr. f.) Top

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Germination/Propagation Top

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No germination or propagation data was added yet.

Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
  • Africa
    • East Tropical Africa
      • Kenya
      • Tanzania
      • Uganda
    • Northeast Tropical Africa
      • Chad
      • Eritrea
      • Ethiopia
      • Sudan
    • South Tropical Africa
      • Angola
      • Malawi
      • Zambia
    • West Tropical Africa
      • Benin
      • Burkina
      • Ghana
      • Guinea
      • Guinea-Bissau
      • Ivory Coast
      • Liberia
      • Mali
      • Nigeria
      • Senegal
      • Sierra Leone
      • Togo
    • West-central Tropical Africa
      • Burundi
      • Cameroon
      • Central African Republic
      • Congo
      • Equatorial Guinea
      • Gabon
      • Gulf Of Guinea Islands
      • Zaïre
  • Asia-tropical
    • Indian Subcontinent
      • Bangladesh
      • India
    • Malesia
      • Lesser Sunda Islands

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000274773
Tropicos 17600247
KEW urn:lsid:ipni.org:names:454218-1
The Plant List kew-157444
Open Tree Of Life 1070849
NCBI Taxonomy 204156
IPNI 454218-1
iNaturalist 507023
GBIF 3896944
EPPO PQOAF
USDA GRIN 450197

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
Title Authors Publication Released IDs
Ethnoveterinary medicinal plants and their utilization by the people of Soro District, Hadiya Zone, southern Ethiopia Hankiso M, Asfaw Z, Warkineh B, Abebe A, Sisay B, Debella A J Ethnobiol Ethnomed 22-Feb-2024
PMCID:PMC10885532
doi:10.1186/s13002-024-00651-6
PMID:38389077
A comprehensive review of antimalarial medicinal plants used by Tanzanians Kacholi DS Pharm Biol 25-Jan-2024
PMCID:PMC10812860
doi:10.1080/13880209.2024.2305453
PMID:38270178
Antimicrobial Potential of Aqueous Extract of Giant Sword Fern and Ultra-High-Performance Liquid Chromatography–High-Resolution Mass Spectrometry Analysis Venmathi Maran BA, Palaniveloo K, Mahendran T, Chellappan DK, Tan JK, Yong YS, Lal MT, Joning EJ, Chong WS, Babich O, Sukhikh S, Shah MD Molecules 15-Aug-2023
PMCID:PMC10460075
doi:10.3390/molecules28166075
PMID:37630329
Important Medicinal and Food Taxa (Orders and Families) in Kenya, Based on Three Quantitative Approaches Mutie FM, Mbuni YM, Rono PC, Mkala EM, Nzei JM, Phumthum M, Hu GW, Wang QF Plants (Basel) 02-Mar-2023
PMCID:PMC10005506
doi:10.3390/plants12051145
PMID:36904005
A Review on the Molecular Mechanisms of Action of Natural Products in Preventing Bone Diseases Okagu IU, Ezeorba TP, Aguchem RN, Ohanenye IC, Aham EC, Okafor SN, Bollati C, Lammi C Int J Mol Sci 30-Jul-2022
PMCID:PMC9368769
doi:10.3390/ijms23158468
PMID:35955603
Ethnoveterinary knowledge of sheep and goat farmers in Benin (West Africa): effect of socioeconomic and environmental factors Tchetan E, Olounlade AP, Houehanou TD, Azando EV, Kaneho JA, Houinato MR, Hounzangbe-Adote SM, Quetin-Leclercq J, Gbaguidi FA Heliyon 24-Jul-2021
PMCID:PMC8339241
doi:10.1016/j.heliyon.2021.e07656
PMID:34381905
Edible Leafy Vegetables from West Africa (Guinea-Bissau): Consumption, Trade and Food Potential Catarino L, Romeiras MM, Bancessi Q, Duarte D, Faria D, Monteiro F, Moldão M Foods 14-Oct-2019
PMCID:PMC6836000
doi:10.3390/foods8100493
PMID:31615037
Ecological data in support of an analysis of Guinea-Bissau׳s medicinal flora Catarino L, Havik PJ, Indjai B, Romeiras MM Data Brief 30-Mar-2016
PMCID:PMC5063803
doi:10.1016/j.dib.2016.03.077
PMID:27761498
The “Bringing into Cultivation” Phase of the Plant Domestication Process and Its Contributions to In Situ Conservation of Genetic Resources in Benin Vodouhè R, Dansi A ScientificWorldJournal 22-May-2012
PMCID:PMC3366210
doi:10.1100/2012/176939
PMID:22693431
Precocene I and Other Constituents of the Essential Oil of Platostoma africanum. Onayade OA, Looman A, Scheffer JJ, Svendsen AB Planta Med 01-Dec-1989
doi:10.1055/S-2006-962093
PMID:17262477

Phytochemical Profile Top

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Below are displayed the proven (via scientific papers) natural compounds!
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Name PubChem ID Canonical SMILES MW Found in Proof
> Benzenoids / Benzene and substituted derivatives
1-Phenylethanol 7409 Click to see 122.16 unknown https://doi.org/10.1055/S-2006-962093
Phenylethyl Alcohol 6054 Click to see C1=CC=C(C=C1)CCO 122.16 unknown https://doi.org/10.1055/S-2006-962093
> Benzenoids / Benzene and substituted derivatives / Benzyl alcohols
Benzyl Alcohol 244 Click to see 108.14 unknown https://doi.org/10.1055/S-2006-962093
> Benzenoids / Benzene and substituted derivatives / Methoxybenzenes / Dimethoxybenzenes
Isoeugenyl methyl ether 1549045 Click to see CC=CC1=CC(=C(C=C1)OC)OC 178.23 unknown https://doi.org/10.1055/S-2006-962093
> Benzenoids / Phenol ethers / Anisoles
Anethole 637563 Click to see 148.20 unknown https://doi.org/10.1055/S-2006-962093
Elemicin 10248 Click to see 208.25 unknown https://doi.org/10.1055/S-2006-962093
> Benzenoids / Phenols / Methoxyphenols
Eugenol 3314 Click to see 164.20 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Fatty Acyls / Fatty alcohols
1-Hexanol 8103 Click to see 102.17 unknown https://doi.org/10.1055/S-2006-962093
1-Octanol 957 Click to see CCCCCCCCO 130.23 unknown https://doi.org/10.1055/S-2006-962093
1-Octen-3-Ol 18827 Click to see 128.21 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Acyclic monoterpenoids
Linalool 6549 Click to see 154.25 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Menthane monoterpenoids
(+)-Menthone 443159 Click to see 154.25 unknown https://doi.org/10.1055/S-2006-962093
(+)-Menthyl acetate 62335 Click to see 198.30 unknown https://doi.org/10.1055/S-2006-962093
Menthol 1254 Click to see 156.26 unknown https://doi.org/10.1055/S-2006-962093
Menthyl acetate 27867 Click to see 198.30 unknown https://doi.org/10.1055/S-2006-962093
p-Menthan-3-one 6986 Click to see 154.25 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids
(-)-beta-Curcumene 14014430 Click to see CC1=CCC(=CC1)C(C)CCC=C(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
(1R,2S,7S,8S)-1,3-dimethyl-8-propan-2-yltricyclo[4.4.0.02,7]dec-3-ene 92042749 Click to see CC1=CCC2C3C1C2(CCC3C(C)C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
(1R,4aR,8aS)-1,6-dimethyl-4-propan-2-yl-3,4,4a,7,8,8a-hexahydro-2H-naphthalen-1-ol 5315594 Click to see 222.37 unknown https://doi.org/10.1055/S-2006-962093
(1R,4aR)-4,7-dimethyl-1-propan-2-yl-1,2,4a,5,6,8a-hexahydronaphthalene 5315589 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
(1R,4S,4aR)-1,6-dimethyl-4-propan-2-yl-3,4,4a,7,8,8a-hexahydro-2H-naphthalen-1-ol 5315592 Click to see 222.37 unknown https://doi.org/10.1055/S-2006-962093
1-Methyl-4-(6-methylhept-6-en-2-yl)cyclohexa-1,4-diene 5316213 Click to see CC1=CCC(=CC1)C(C)CCCC(=C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
1,2,4a,5,6,8a-Hexahydro-4,7-dimethyl-1-(1-methylethyl)naphthalene 101708 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
3-[(2S)-6-methylhept-5-en-2-yl]-6-methylidenecyclohexene 5321277 Click to see CC(CCC=C(C)C)C1CCC(=C)C=C1 204.35 unknown https://doi.org/10.1055/S-2006-962093
3,4-Dihydrocadalene 528708 Click to see CC1=CCC(C2=C1C=CC(=C2)C)C(C)C 200.32 unknown https://doi.org/10.1055/S-2006-962093
3a-Methyl-6-methylidene-1-(propan-2-yl)decahydrocyclobuta(1,2-a:3,4-a')dicyclopentene 324224 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
alpha-Cadinene, (+)- 12306048 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
alpha-Cadinol 10398656 Click to see CC1=CC2C(CCC(C2CC1)(C)O)C(C)C 222.37 unknown https://doi.org/10.1055/S-2006-962093
alpha-Calacorene 12302243 Click to see 200.32 unknown https://doi.org/10.1055/S-2006-962093
alpha-Muurolene 12306047 Click to see CC1=CC2C(CC1)C(=CCC2C(C)C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
beta-Bourbonene 62566 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
beta-Cubebene 93081 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
Beta-Sesquiphellandrene 12315492 Click to see CC(CCC=C(C)C)C1CCC(=C)C=C1 204.35 unknown https://doi.org/10.1055/S-2006-962093
Cadina-1(10),4-diene 10223 Click to see CC1=CC2C(CCC(=C2CC1)C)C(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
Caryophyllene 5281515 Click to see CC1=CCCC(=C)C2CC(C2CC1)(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
Copaene 19725 Click to see CC1=CCC2C3C1C2(CCC3C(C)C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
delta-Cadinene 441005 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
delta-Cadinol 3084311 Click to see CC1=CC2C(CCC(C2CC1)(C)O)C(C)C 222.37 unknown https://doi.org/10.1055/S-2006-962093
epi-alpha-Cadinol 160799 Click to see 222.37 unknown https://doi.org/10.1055/S-2006-962093
gamma-Cadinene 6432404 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
gamma-Cadinene 15094 Click to see CC1=CC2C(CC1)C(=C)CCC2C(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
Humulene 5281520 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
Nerolidol 5284507 Click to see 222.37 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Aristolane sesquiterpenoids
1H-Cyclopropa(a)naphthalene, 1a,2,3,5,6,7,7a,7b-octahydro-1,1,7,7a-tetramethyl-, (1aR-(1aalpha,7alpha,7aalpha,7balpha))- 15560278 Click to see CC1CCC=C2C1(C3C(C3(C)C)CC2)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
Calarene 28481 Click to see CC1CCC=C2C1(C3C(C3(C)C)CC2)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Elemane sesquiterpenoids
Beta-Elemene 6918391 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Eudesmane, isoeudesmane or cycloeudesmane sesquiterpenoids
Beta-Selinene 442393 Click to see 204.35 unknown https://doi.org/10.1055/S-2006-962093
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Germacrane sesquiterpenoids
(S,1Z,6Z)-8-Isopropyl-1-methyl-5-methylenecyclodeca-1,6-diene 91723653 Click to see CC1=CCCC(=C)C=CC(CC1)C(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
Germacrene D 5317570 Click to see CC1=CCCC(=C)C=CC(CC1)C(C)C 204.35 unknown https://doi.org/10.1055/S-2006-962093
> Organic oxygen compounds / Organooxygen compounds / Carbonyl compounds / Alpha,beta-unsaturated ketones / Enones
(4E)-4-Octen-3-one 5369061 Click to see 126.20 unknown https://doi.org/10.1055/S-2006-962093
4-Octen-3-one 84216 Click to see 126.20 unknown https://doi.org/10.1055/S-2006-962093
> Organic oxygen compounds / Organooxygen compounds / Carbonyl compounds / Ketones
3-Octanone 246728 Click to see CCCCCC(=O)CC 128.21 unknown https://doi.org/10.1055/S-2006-962093
> Phenylpropanoids and polyketides / Cinnamic acids and derivatives / Cinnamic acids
Cinnamic acid 444539 Click to see C1=CC=C(C=C1)C=CC(=O)O 148.16 unknown https://doi.org/10.1055/S-2006-962093
cis-Cinnamic acid 5372954 Click to see C1=CC=C(C=C1)C=CC(=O)O 148.16 unknown https://doi.org/10.1055/S-2006-962093

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