Code
POLSG
Growth form
Broadleaf
Biological cycle
Perennial
Habitat
Marshland
🗒 Synonyms
| synonym | Persicaria sambesiaca (Schuster) Sojak |
| synonym | Persicaria tanganyikae (Schuster) Soják |
| synonym | Polygonum articulatum Perr. ex Meisn. |
| synonym | Polygonum macrochaeton Fresen. |
| synonym | Polygonum sambesicum Schuster |
| synonym | Polygonum senegalense Meisn. |
| synonym | Polygonum tanganyikae Schuster |
🗒 Common Names
| French |
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| Other |
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📚 Overview
Description
Global description
Persicaria senegalensis is a large and robust erect herbaceous plant, perennial, which reaches 3 m in height. Leaves alternate, simple, elongate lanceolate pointed. They are large (up to 30 cm) glabrous or covered with a white woolly tomentum, punctuated glandular on both sides. Ochrea, which is 4 cm long, is glabrous with no long silks at the top. The inflorescence is terminal. It is composed of small flowers grouped in spiciform racemes united in a loose and drooping inflorescence. The flowers are purple, pink or white. The fruit is a achene of a shiny black.
General habit
Large vigorous perennial herb that can reach 3 m in height.
Underground system
The root is a taproot.
Stem
The stem is robust, 2-3 cm in diameter, striated, swollen at nodes, often tinged with purple, glabrous.
Leaf
The leaves are simple and alternate, elongated lanceolate more or less large. They are 10 to 30 cm long and 2 to 5 cm wide. The petiole is 2-4 cm long. At the base of the petiole is a membranous ochrea, 3-4 cm long, surrounding the stem, glabrous and without silk hairs at the apex. The blade is broad, narrowed in elongated corner at the base, terminated in acute long point, with entire margin ciliated. It is hairless to tomentose covered with white felting more or less dense woolly hairs especially on the underside and punctuated with yellow glutinous glands on both surfaces.
Inflorescence
The inflorescence is terminal, open, composed of several spiciform racemes, erect or more or less inclined, cylindrical, moderately dense, 4.5 to 7.5 cm long. Floral peduncle with glandular hairs.
Flower
The flower is 5 mm long and has an oval bract at the base of the pedicel with no hairs. The flower is formed by a perianth with a 3 mm long tube surmounted by 4 rounded tepals, 5 to 7 stamens and 2 styles. It is purplish, pink or white.
Fruit
The fruit is a lenticular achene, with a glossy black surface. It measures approximately 3 mm in section.
Thomas Le Bourgeois
| Attributions | |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
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📚 Nomenclature and Classification
No Data
📚 Natural History
Life Cycle
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Benin: Persicaria senegalensis begins to flower in January and fructifies from May to November.
Mayotte : Persicaria senegalensis flowers and fruits all year round.
Wiktrop
| Attributions | Wiktrop |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
Ecology
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Persicaria senegalensis grows along rivers, swamps and lowland rice paddies.
Madagascar: Borders of ponds, lakes and rivers.
Mayotte: Persicaria senegalensis is a native species that grows in static fresh waters, on the margins of wetlands and in some secondarized ditches. It is mainly found in the center of Grande-Terre in Kahani, Karihani, Combani and Coconi.
Wiktrop
| Attributions | Wiktrop |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
No Data
📚 Habitat and Distribution
Description
Origin
Persicaria senegalensis is native to the whole of tropical and subtropical Africa and Madagascar and the Comoros and Mayotte.
Worldwide distribution
It is introduced and naturalized in Reunion Island and in Mauritius.
Wiktrop
| Attributions | Wiktrop |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
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📚 Occurrence
No Data
📚 Demography and Conservation
Risk Statement
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Local harmfulness
Benin: Persicaria senegalensis is frequent and scanty in paddy fields.
Ghana: frequent and scanty in paddy fields.
Mali: rare and scanty in paddy fields.
Nigeria: frequent and generally abundant in paddy fields.
Reunion: species present on the edge of the pond of the Gol and the pond of Saint Paul, but never met as adventitious cultures.
Senegal: rare and scanty in paddy fields.
Wiktrop
| Attributions | Wiktrop |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
No Data
📚 Uses and Management
Management
Thomas Le Bourgeois
| Attributions | |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
There is content in another language. Please click here to read it. (Français)
No Data
📚 Information Listing
Global Biodiversity Information Facility (GBIF)
There is content in another language. Please click here to read it. (Français)
Polygonum senegalense : https://www.gbif.org/species/7291537
Persicaria senegalensis : https://www.gbif.org/species/7291212Wiktrop
| Attributions | Wiktrop |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
References
- Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1954. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain. Johnson, D.E. 1997. Les adventices en riziculture en Afrique de l'Ouest. ADRAO/WARDA, Bouaké, Côte-d'Ivoire.
- Akoégninou, A., W. J. van der Burg and L. G. van der Maesen (2006). Flore analytique du Bénin. Cotonou, Bénin, Wageningen, Pays-Bas, Backhuis Publishers.
- Cavaco A., 1953. 65ème famille - Polygonacées. In Humbert H. Flore de Madagascar et des Comores. Paris.
- Bosser, J., I. K. Fergusson and C. Soopramanien (Mult. an.). Flore des Mascareignes. La Réunion, Maurice, Rodrigues, MSIRI, IRD, Kew.
- Grard, P., T. Le Bourgeois, J. Rodenburg, P. Marnotte, A. Carrara, R. Irakiza, D. Makokha, G. kyalo, K. Aloys, K. Iswaria, N. Nguyen and G. Tzelepoglou (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds
- Okezie Akobundu, I. et Agyakwa, C.W. 1989. Guide des adventices d'Afrique de l'Ouest. Institut international d'agriculture tropicale, Ibadan, Nigeria.
- Johnson, D. E. (1997). Les adventices en riziculture en Afrique de l'Ouest. Bouaké, Côte-d'Ivoire, ADRAO/WARDA.
- Barthelat, F. 2019. La Flore illustrée de Mayotte. Meze, Paris, France, Collection Inventaires et Biodiversité, Biotope – Muséum national d’Histoire naturelle. 687 p.
- https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:695151-1
Information Listing > References
- Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1954. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain. Johnson, D.E. 1997. Les adventices en riziculture en Afrique de l'Ouest. ADRAO/WARDA, Bouaké, Côte-d'Ivoire.
- Akoégninou, A., W. J. van der Burg and L. G. van der Maesen (2006). Flore analytique du Bénin. Cotonou, Bénin, Wageningen, Pays-Bas, Backhuis Publishers.
- Cavaco A., 1953. 65ème famille - Polygonacées. In Humbert H. Flore de Madagascar et des Comores. Paris.
- Bosser, J., I. K. Fergusson and C. Soopramanien (Mult. an.). Flore des Mascareignes. La Réunion, Maurice, Rodrigues, MSIRI, IRD, Kew.
- Grard, P., T. Le Bourgeois, J. Rodenburg, P. Marnotte, A. Carrara, R. Irakiza, D. Makokha, G. kyalo, K. Aloys, K. Iswaria, N. Nguyen and G. Tzelepoglou (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds
- Okezie Akobundu, I. et Agyakwa, C.W. 1989. Guide des adventices d'Afrique de l'Ouest. Institut international d'agriculture tropicale, Ibadan, Nigeria.
- Johnson, D. E. (1997). Les adventices en riziculture en Afrique de l'Ouest. Bouaké, Côte-d'Ivoire, ADRAO/WARDA.
- Barthelat, F. 2019. La Flore illustrée de Mayotte. Meze, Paris, France, Collection Inventaires et Biodiversité, Biotope – Muséum national d’Histoire naturelle. 687 p.
- https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:695151-1
Images
Herbarium pictures ReCOLNAT: https://explore.recolnat.org/search/botanique/simplequery=Polygonum%2520senegalense
Thomas Le Bourgeois
| Attributions | |
| Contributors | |
| Status | UNDER_CREATION |
| Licenses | CC_BY |
| References |
There is content in another language. Please click here to read it. (Français)
No Data
🐾 Taxonomy
| Root | Root |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Polygonales |
| Family | Polygonaceae |
| Genus | Persicaria |
| Species | Persicaria senegalensis (Meisn.) |
📊 Temporal Distribution
📷 Related Observations
