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WIKTROP - Weed Identification and Knowledge in the Tropical and Mediterranean areas
WIKTROP - Weed Identification and Knowledge in the Tropical and Mediterranean areas
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Echinochloa crus-pavonis (Kunth) Schult.

Accepted
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
Echinochloa crus-pavonis (Kunth) Schult.
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🗒 Synonyms
synonymEchinochloa aristata Raspail, nom. inval.
synonymEchinochloa composita J.Presl ex Nees, pro syn.
synonymEchinochloa crus-galli f. sabulicola (Nees) Farw.
synonymEchinochloa crus-galli f. sabulonum Farw., orth. var.
synonymEchinochloa crus-galli var. crus-pavonis (Kunth) Hitchc.
synonymEchinochloa crus-galli var. macera (Wiegand) Shinners
synonymEchinochloa crus-pavonis var. macera (Wiegand) Gould
synonymEchinochloa kimayalaensis Vanderyst
synonymEchinochloa sabulicola (Nees) Hitchc.
synonymEchinochloa zelayensis var. macera Wiegand
synonymEchinochloa zelayensis var. subaristata Wiegand
synonymOplismenus angustifolius E.Fourn.
synonymOplismenus crus-pavonis Kunth
synonymOplismenus jamaicensis Kunth
synonymOplismenus sabulicola (Nees) Kunth
synonymPanicum aristatum Macfad., nom. illeg.
synonymPanicum colonum var. bussei Peter
synonymPanicum crus-galli var. aristatum G.Mey., nom. illeg.
synonymPanicum crus-galli var. sabulicola (Nees) Trin.
synonymPanicum crus-pavonis (Kunth) Nees
synonymPanicum crus-pavonis var. rostratum Stapf
synonymPanicum horridum Salzm. ex Steud., pro syn.
synonymPanicum jamaicense (Kunth) Steud.
synonymPanicum sabulicola Nees
🗒 Common Names
No Data
📚 Overview
Overview
Brief
Code

ECHCV

Growth form

grass

Biological cycle

annual

Habitat

marshland

Thomas Le Bourgeois
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Thomas Le Bourgeois
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    Diagnostic Keys
    Description

    Global description

    Echinochloa crus-pavonis is an annual erect plant with stout stems up to 2 m tall. Linear tapered leaves have a scabrid margin. They are flat and without ligule. The margin of the sheath is ciliated. The inflorescence is large, up to 25 cm long, and ample. It is erect, sometimes bent. It is composed of a staging of simple or branched racemes, carrying bundles of tight spikelets. The spikelet is 2.5 to 3 mm long. It usually has a short awn of a few mm. The color of the inflorescence varies from green to reddish. The grain is about 1.5 mm long.

    General habit

    Robust annual plant in upright tufts, up to 2 m tall.

    Underground system

    The roots are fasciculate.

    Culm

    The culm is erect, sometimes lying at the base, measuring 50 cm to 2 m in height and up to 1 cm in diameter at the base. It is compressed, marked with deep streaks, glabrous and lustrous.

    Leaf

    The leaves are alternate and simple. The sheath is compressed, keeled, glabrous but ciliated on the margin. The sheaths of the base are very imbricate, the upper ones shorter than the internodes. The ligule is absent. The limb is linear, in tapered tip at the apex. It is 15 to 60 cm long and 5 to 25 mm wide. It is flat and glabrous, scabrid on the margin, and sometimes on the upper face.

    Inflorescence

    The inflorescence is a large, erect, sometimes tilted panicle measuring 10 to 25 cm long. It consists of a succession of racemes composed with short branches, 2.5 to 15 cm long. The spikelets are arranged in tight groups.

    Spikelet

    The spikelet is 2.5 to 3 mm long. The lower lemma usually has an awn that is 1 to 4 mm long. The spikelets are greenish to reddish in color.

    Fruit

    Grain obovate to oblong, it is about 1.5 mm long.

    Thomas Le Bourgeois
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      No Data
      📚 Natural History
      Cyclicity

      Echinochloa crus-pavonis is an annual species. It reproduces only by seeds.

      Thomas Le Bourgeois
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        Look Alikes

        Distinction of Echinochloa species is not easy

        Distinctivve criteria of several Echinochloa species

         

        Biology Ligule Callus Racèmes Spickelet disposal Spickelet size Species
        annual ciliate globular 6-8 simple 2 raws 3-4 mm E. callopus
        annual absent absent numerous ramified fasciculate 2-3 mm E. crus-pavonis
        annual absent absent numerous simple 2 raws or more 3-4 mm E. crus-galli
        annual absent absent numerous simple 4 raws 1,5-3 mm E. colona
        annual/vivacious absent absent 2 - 12 simple 2 raws 3 mm E. obtusiflora
        vivacious ciliate absent numerous simple or ramified fasciculate 2,5-3,5 mm E. pyramidalis
        vivacious ciliate absent numerous simple unilateral fasciculate 3,5-6 mm E. stagnina
        Thomas Le Bourgeois
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          Ecology

          Echinochloa crus-pavonis grows on the edge of ponds, near water and in lowland paddy fields.

          West Indies: Species present in Guadeloupe and Martinique from 0 to 15 (300) m above sea level in lowland wetlands, ditches, and at the edge of gullies in hilly areas.
          Ivory Coast: Species widespread along rivers in forest areas and on the banks of forest galleries in the savannah area. It is sometimes common in fallow of rice fields, on the muddy perimeters of ponds, ponds but also in open water in swamps. It is also a weed frequent in rice fields.

          Thomas Le Bourgeois
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            No Data
            📚 Habitat and Distribution
            Description

            Worldwide distribution

            Echinochloa crus-pavonis is widely present in all tropical regions, including tropical Africa and southern Africa, tropical America and Asia.

            Thomas Le Bourgeois
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              No Data
              📚 Occurrence
              No Data
              📚 Demography and Conservation
              Risk Statement

              Local harmfulness

              Burkina Faso: Echinochlos crus-pavonis is rare and scanty in rice crops.
              Chad: frequent and scanty.
              Ghana: frequent and generally abundant.
              Ivory Coast: frequent and scanty.
              Kenya: frequent and scanty.
              Mali: rare but abundant when it is present.
              Senegal: rare and scanty.
              Uganda: frequent and scanty.

              Thomas Le Bourgeois
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                No Data
                📚 Uses and Management
                Uses

                Construction: Culms are used for the construction of roofs and fences (Ivory Coast)

                Thomas Le Bourgeois
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                  Management

                  General control

                  For general information on weeding irrigated and lowland rice in Africa consult.

                  For advice on weeding annual grasses of irrigated and lowland rice in Africa consult.

                  Thomas Le Bourgeois
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                    No Data
                    📚 Information Listing
                    References
                    1. Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1972. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain.
                    2. Fournet, J. 2002. Flore illustrée des phanérogames de Guadeloupe et de Martinique. Cirad, Gondwana éditions, Montpellier, France.
                    3. Johnson, D.E. 1997. Les adventices en riziculture en Afrique de l'Ouest. ADRAO/WARDA, Bouaké, Côte-d'Ivoire.
                    4. Grard, P., et al. (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds.
                    5. Kissmann, K.G. 1997. Plantas Infestantes e Nocivas, Sao Paulo.
                    6. Poilecot, P. 1995. Les Poaceae de Côte-d'Ivoire. Conservatoire et jardin botaniques de Genève, Genève, Suisse.
                    Information Listing > References
                    1. Hutchinson, J., Dalziel, J.M., Keay, R.W.J., Hepper, F.N. 1972. Flora of west tropical africa. The Whitefriars Press, London & Tonbridge, Great Britain.
                    2. Fournet, J. 2002. Flore illustrée des phanérogames de Guadeloupe et de Martinique. Cirad, Gondwana éditions, Montpellier, France.
                    3. Johnson, D.E. 1997. Les adventices en riziculture en Afrique de l'Ouest. ADRAO/WARDA, Bouaké, Côte-d'Ivoire.
                    4. Grard, P., et al. (2012). AFROweeds V.1.0: African weeds of rice Montpellier, France & Cotonou, Bénin, Cirad-AfricaRice eds.
                    5. Kissmann, K.G. 1997. Plantas Infestantes e Nocivas, Sao Paulo.
                    6. Poilecot, P. 1995. Les Poaceae de Côte-d'Ivoire. Conservatoire et jardin botaniques de Genève, Genève, Suisse.

                    Nuisibilité de l'enherbement sur le polder de Mana en Guyane

                    Thomas Le Bourgeois
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                    Thomas Le Bourgeois
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                      No Data
                      🐾 Taxonomy
                      📊 Temporal Distribution
                      📷 Related Observations
                      👥 Groups
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