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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

Desmodium uncinatum (Jacq.) DC.

Accepted
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
Desmodium uncinatum (Jacq.) DC.
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🗒 Synonyms
synonymHedysarum uncinatum Jacq.
synonymMeibomia uncinata (Jacq.) Kuntze
synonymMeibomia uncinata (Jacq.) Kuntze
🗒 Common Names
No Data
📚 Overview
Overview
Brief
Code

DEDUN

Growth form

broadleaf

Biological cycle

perennial

Habitat

terrestrial

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    Diagnostic Keys
    Description
    Global description
     
    Desmodium uncinatum is a perennial, herbaceous, erect plant. The stem is round or slightly angular, covered with hooked hairs. Stipules are quickly deciduous. The leaves are alternate, compound, trifoliate, petiolated with an oval to suborbicular terminal leaflet, 3 to 6 cm long and 1.5 to 2.5 cm wide. The upper surface has a shiny silver spot surrounded by a glossy dark green aureole. It is covered with tuberculate and hooked hairs. The underside is paler with glandular hairs. The margin is ciliated. The flowers are arranged in terminal and axillary racemes. They are grouped by two or more at the insertion points. Pink corolla, measures 10 mm long. The fruit is a sickle pod of 4 to 7 articles, with top edge not scalloped and clearly indented bottom edge, covered with hooked hairs.
     
    Cotyledons
     
    Cotyledons are reniform.
     
    First leaves
     
    The first leaves are alternate, simple, stalked, with orbicular lamina.
     
    General habit
     
    Herbaceous to sarmentose erect plant, slightly radicant at the nodes f the base of the stems.

    Underground system
     
    The plant has a taproot system.
     
    Stem
     
    Stem is round to slightly angular, full, branched. It is covered with hooked hairs.
     
    Leaf
     
    Leaves alternate, compound trifoliate carried by a petiole of 2.5 to 5 cm. At the base there are brown stipules, 8 to 10 mm long, quickly deciduous. Petiolules measures 5 to 15 mm. The stipels measure 2 to 6 mm. Leaflets are ovate to suborbicular. The terminal leaflet up to 6 cm long and 2.5 cm wide. The base is rounded and the top is wedged. . The dark green upper side is marked by a shiny silver spot often surrounded by a glossy dark green aureole. It is covered with glandular and hooked hairs. The lower face is pale, covered with glandular hairs. The margin is ciliated.
     
    Inflorescence
     
    Inflorescence in axillary or terminal racemes. Bracts 4.5 to 8 mm long.
     
    Flower
     
    Papilionaceous flowers inserted by 2 or more along the raceme. Calyx in puberulous and hispid tube with a bifid upper lobe, 4 mm long and a trifid lower lobe, middle tine5 mm long and lateral tine3 to 4 mm long. The corolla is pink, 10 mm long.
     
    Fruit
     
    The fruit is a sickle pod, with the end in rostrum comprising of 4 to 7 article, 4 to 5 mm long and 3 mm wide. It is covered with hooked hairs.
     
    Seed
     
    The seed is oval to triangular, 3x2x1 mm, of olive green color.

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      No Data
      📚 Natural History
      Life Cycle

      Life cycle

      Perenial
      Perenial
      Cyclicity

      Desmodium uncinatum is a perennial species that multiplies mainly by seeds.

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        Morphology

        Leaf type

        Compound
        Compound

        Compound leaf type

        Trifoliate leaf
        Trifoliate leaf

        Latex

        Without latex
        Without latex

        Stem section

        Round
        Round
        Pentagonal
        Pentagonal

        Root type

        Taproot
        Taproot

        Stipule type

        No stipule
        No stipule
        Lanceolate stipule
        Lanceolate stipule

        Pod type

        Articulated pod
        Articulated pod

        Cotyledon type

        emarginate
        emarginate

        Lamina margin

        hairy
        hairy
        entire
        entire

        Lamina apex

        acute
        acute
        mucronate
        mucronate

        Lamina Veination

        in arc
        in arc
        pennate
        pennate

        Flower color

        Pinkish
        Pinkish
        Blue
        Blue

        Stem pilosity

        Dense hairy
        Dense hairy

        Stem hair type

        Short and long hairs mixed
        Short and long hairs mixed
        Scabrous
        Scabrous

        Life form

        Broadleaf plant
        Broadleaf plant
        Climber
        Climber
        Look Alikes
        Identification keys of lianescent Fabaceae 
        Bipinnate leaves 1 to 2 pairs of pinnae Mimosa pudica
        3 to 9 pairs of pinnae Mimosa diplotricha
        Pinnate leaves Clitoria heterophylla
        Trifoliate leaves symmetrical lateral leaflets elliptical or lateral leaflets terminal leaflets equal to lateral leaflets Teramnus labialis
        Terminal leaflets larger than lateral leaflets very marked ribs Cajanus scarabaeoides
        ribs lightly marked leaflets > 10 mm Desmodium adscendens
        leaflets < 10 mm Desmodium triflorum
        Ends of leaflets wedged Narrow lanceolate leaflets (2 cm) Macroptilium lathyroides
        large acuminate leaflets Trigonal stem, scabrous at the angles Desmodium intortum
        Cylindrical stem  Leaflets with a silver tinge petiolules of 2 mm Desmodium incanum
        petiolules 5 to 15 mm Desmodium uncinatum
        Green uniform leaflets wide terminal leaflet (7 cm) Centrosema pubescens
        very wide terminal leaflet(15 cm) Centrosema plumieri
        asymmetrical lateral leaflets  Terminal leaflet has a longer width than length  Rhynchosia malacophylla
        terminal leaflet as wide as long large leaves (15 cm) Rhynchosia viscosa
        small leaves (7 cm) Rhynchosia minima
        elongated terminal leaflets  lateral leaflets with a single rounded lobe
        lateral leaflets without lobe large stipules (6 mm) Lablab purpureus
        small stipules (2 mm) Mucuna pruriens

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          No Data
          📚 Habitat and Distribution
          Description
          Origin

          Desmodium uncinatum is native to South America (Venezuela, Argentina).

          Worldwide distribution

          This species has been introduced into tropical Africa, the Indian Ocean islands, India and Oceania (Australia).

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            No Data
            📚 Occurrence
            No Data
            📚 Uses and Management
            Uses
            Livestock feed: Desmodium uncinatum can be grown as a forage crop.
             
            Agronomy: D. uncinatum is a species used as a cover crop.

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              Management
              Desmodium uncinatum is used as a cover crop; see the following document:
              Report: Effect of service on plant pests and diseases of crops. Bibliographic study on plants used in cropping systems on vegetation cover (SCV) in Madagascar. 2009. Baptiste Quaranta (trainee ISTOM). CIRAD Madagascar. Research Unit SCRID. Department PERSYS. 91 p. (see document - page 51 )
               

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                No Data
                📚 Information Listing
                References
                1. Fournet, J. (2002). Flore illustrée des phanérogames de Guadeloupe et de Martinique. Montpellier, France, Cirad, Gondwana éditions.
                Information Listing > References
                1. Fournet, J. (2002). Flore illustrée des phanérogames de Guadeloupe et de Martinique. Montpellier, France, Cirad, Gondwana éditions.

                La flore des mauvaises herbes de la Canne à Sucre à La Réunion. Caractérisation à partir des témoins des essais d’herbicides. 2005-2016

                Marnotte Pascal
                Images
                Thomas Le Bourgeois
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                  No Data
                  🐾 Taxonomy
                  📊 Temporal Distribution
                  📷 Related Observations
                  👥 Groups
                  WIKTROP - Weed Identification and Knowledge in the Tropical and Mediterranean areasWIKTROP - Weed Identification and Knowledge in the Tropical and Mediterranean areas
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