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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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Sporobolus festivus Hochst. ex A.Rich.

Accepted
Sporobolus festivus Hochst. ex A.Rich.
Sporobolus festivus Hochst. ex A.Rich.
Sporobolus festivus Hochst. ex A.Rich.
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🗒 Synonyms
synonymSporobolus breviglumis Hack. ex De Wild., nom. nud.
synonymSporobolus festivus var. dillonianus Schweinf.
synonymSporobolus festivus var. fibrosus Stapf ex Stent
synonymSporobolus menyharthii Hack.
synonymSporobolus myriostachyus Peter
synonymVilfa festiva (Hochst. ex A.Rich.) Steud.
🗒 Common Names
No Data
📚 Overview
Overview
Brief
Code
 
SPZFE
 
Growth form
 
Grass
 
Biological cycle
 
Vivacious
 
Habitat
 
Terrestrial

Thomas Le Bourgeois
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Thomas Le Bourgeois
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    Diagnostic Keys
    Description
    Global description

    Sporobolus festivus is a small cespitose plant, with very narrow and convoluted linear leaves. The ligule is ciliate and very reduced. The inflorescence is a loose and delicate panicle. Spikelets are solitary and pedicellate. They are spindle-shaped, with an oval lower glume, an acute upper glume and a single flower. The grain is free, oblong.

    Seedling

    The seedling is rarely observed because it is a vivacious species that develops into a small bunch of tuft. The leaves dry out during the dry season, leaving only dry, fibrous bases of stems and leaves. At the beginning of the rainy season, new leaves reappear at the base of the tuft. They are very narrow, 2 to 3 cm long and 2 mm wide, with a convoluted blade and a rolled prefoliation. The sheath is finely ciliated on the margin. The ligule is reduced and very shortly ciliate. The blade is filiform and glabrous, slightly scabrid on the margin.

    General habit

    Sporobolus festivus is a small cespitose tuft. The axes are not branched and are interconnected by very short rhizomes. The plant is 15 to 60 cm tall.

    Underground system

    The roots are fasciculate.

    Culm

    The culm is small, cylindrical and glabrous, with a diameter of 1 mm. The nodes are glabrous and light brown in color.

    Leaf

    The leaves are alternate. The sheath is glabrous, finely ciliated on the margin. It is not keeled. The ligule is ciliate, very reduced, high of 0.3 mm. The lamina is linear, with a long pointed tip at the top. It is straight and generally convoluted. It is 2 to 9 cm long and 1 to 3 mm wide. The margin is finely scabrous and both sides are glabrous. The base of old leaves is fibrous and dark in color.

    Inflorescence

    The inflorescence is a loose panicle with filiform branches, many times branched but not whorled. Spikelets are solitary and located at the end of branches.

    Spikelet

    Spikelets are borne by a pedicel 1 to 4 mm long. They are fusiform, 1 to 1.5 mm long. The lower glume is oval, 0.3-0.5 mm long. The upper glume is acute at the top and measures 1/2 to 2/3 of the length of the spikelet. The lemma and palea are acute, 1 to 1.5 mm long.

    Grain

    The grain is flattened, oblong, 0.5-0.7 mm long. It is free.

    Thomas Le Bourgeois
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      No Data
      📚 Natural History
      Cyclicity
      Sporobolus festivus is a vivacious species. It multiplies mainly vegetatively, by issuing short rhizomes from which new axes develop within the same tuft. Reproduction by seed is also possible, but germination is rare.

      Thomas Le Bourgeois
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        Look Alikes

        Characters to distinguish some Sporobolus spp.

        Size Inflorescence Branches Spikelet Glumes Species
        90-160 cm Spike-like with spreading branches 5-10 cm 1,7-2 mm

        Subequal
        Gl inf 0,2-0,6 mm
        Gl sup 0,5-0,8 mm
        GL sup < 1/3 L épillet

        Sporobolus pyramidalis
        30-100 cm Spike-like, narrow with appressed branches 1-2 cm 1,8-2 mm

        Slightly different
        Gl inf 0,6-1 mm
        Gl sup 0,9-1,3 mm
        1/3 < Gl sup < 2/3 L spikelet

        Sporobolus indicus
        30-110 cm Spike-like, narrow with appressed branches 1-2 cm 2,1-2,8 mm

        Very different
        Gl inf 0,4-0,7 mm
        Gl sup 1-1,5 mm
        1/2 < Gl sup < L spikelet

        Sporobolus africanus
        10-60 cm Diffuse panicle   1-1,5 mm Subequal
        Gl inf 0,4-0,6 mm
        Gl sup 0,6-1 mm
        1/2 < Gl sup < L spikelet

        Sporobolus festivus
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          Ecology
          Northern Cameroon: Sporobolus festivus is a species that is found mainly in Sudanese regions with an annual rainfall of between 1,000 and 1,500 mm. It grows on shallow soils that are outcropping and forming a water retention basin. This species is found in wooded savannahs and in fallow land. It is also a crop weed, characteristic of recently cleared plots. It disappears from the plots after a few years of consecutive crops, especially when there are many cultural operations (plowing, weeding, hilling).
          Thomas Le Bourgeois
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            No Data
            📚 Habitat and Distribution
            General Habitat
            Worldwide distribution

            Sporobolus festivus is a common species in tropical and southern Africa, Madagascar and India.
            Thomas Le Bourgeois
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              No Data
              📚 Occurrence
              No Data
              📚 Demography and Conservation
              Risk Statement
              Local harmfulness

              Northern Cameroon: Sporobolus festivus is an infrequent weed in crops, mostly present in newly cultivated plots. It is never abundant because it does not support repeated cultural practices (plowing, hilling, weeding).
              Thomas Le Bourgeois
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                No Data
                📚 Uses and Management
                📚 Information Listing
                References
                1. Stanfield D.P., 1970. The flora of Nigeria, Grasses. Stanfield and Lowe ed., Ibadan University Press, Ibadan, Nigeria, 118p.
                2. Holm L. G., Plucknett D. L., Pancho J. V. & Herberger J. P., 1977. The World's Worst Weeds : Distribution and Biologie. East-West Center, University Press of Hawaii, Honolulu, 609p.
                3. Zon van der A.P.M., 1992. Graminées du Cameroun, Vol. II, Flore. Wageningen Agric. Univ. Papers 92 - 1, Wageningen, 557p.
                4. Berhaut J., 1967. Flore du Sénégal. 2ème éd. Clairafrique éd., Dakar, Sénégal, 485p.
                5. Le Bourgeois, T. and H. Merlier (1995). Adventrop - Les adventices d'Afrique soudano-sahélienne. Montpellier, France, Cirad.637p.
                6. Le Bourgeois Th., 1993. Les mauvaises herbes dans la rotation cotonnière au Nord-Cameroun (Afrique) - Amplitude d'habitat et degré d'infestation - Cycle de développement. Thèse USTL Montpellier II, Montpellier, France, 241p.
                7. Hutchinson J., Dalziel J. M., Keay R. W. J. & Hepper F. N., 1972. Flora of West Tropical Africa. Vol. III part. 2. 2ème éd. The Whitefriars Press ed., London & Tonbridge, 574p.
                8. Vanden Berghen C., 1983. Matériaux pour une flore de la végétation herbacée de la Casamance occidentale, Sénégal,Fascicule 2, Gramineae. Jardin Botanique National de Belgique, 66p.
                Information Listing > References
                1. Stanfield D.P., 1970. The flora of Nigeria, Grasses. Stanfield and Lowe ed., Ibadan University Press, Ibadan, Nigeria, 118p.
                2. Holm L. G., Plucknett D. L., Pancho J. V. & Herberger J. P., 1977. The World's Worst Weeds : Distribution and Biologie. East-West Center, University Press of Hawaii, Honolulu, 609p.
                3. Zon van der A.P.M., 1992. Graminées du Cameroun, Vol. II, Flore. Wageningen Agric. Univ. Papers 92 - 1, Wageningen, 557p.
                4. Berhaut J., 1967. Flore du Sénégal. 2ème éd. Clairafrique éd., Dakar, Sénégal, 485p.
                5. Le Bourgeois, T. and H. Merlier (1995). Adventrop - Les adventices d'Afrique soudano-sahélienne. Montpellier, France, Cirad.637p.
                6. Le Bourgeois Th., 1993. Les mauvaises herbes dans la rotation cotonnière au Nord-Cameroun (Afrique) - Amplitude d'habitat et degré d'infestation - Cycle de développement. Thèse USTL Montpellier II, Montpellier, France, 241p.
                7. Hutchinson J., Dalziel J. M., Keay R. W. J. & Hepper F. N., 1972. Flora of West Tropical Africa. Vol. III part. 2. 2ème éd. The Whitefriars Press ed., London & Tonbridge, 574p.
                8. Vanden Berghen C., 1983. Matériaux pour une flore de la végétation herbacée de la Casamance occidentale, Sénégal,Fascicule 2, Gramineae. Jardin Botanique National de Belgique, 66p.
                Images
                Thomas Le Bourgeois
                Attributions
                Contributors
                StatusUNDER_CREATION
                LicensesCC_BY
                References
                  No Data
                  🐾 Taxonomy
                  📊 Temporal Distribution
                  📷 Related Observations
                  👥 Groups
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