Scoparia dulcis L.
  • Sp. Pl. : 116 (1753)
  • ya nuat maeo (หญ้าหนวดแมว)(Northern)


Cite taxon page as 'WFO (2023): Scoparia dulcis L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000495138. Accessed on: 30 Jan 2023'

General Information

Scoparia dulcis L., Sp. Pl. 116. 1753.

Hierbas anuales o perennes, erectas, frecuentemente sufruticosas, (17–) 30–100 (–150) cm de alto, glabras o los tallos a veces ciliados en los nudos. Hojas linear-oblanceoladas a angostamente obovadas, (9–) 14–45 (–53) mm de largo, margen dentado; indistintamente pecioladas. Flores solitarias o en fascículos de 2 ó 3, pedicelos 4–6 (–7) mm de largo; cáliz 4-lobado, 1.5–2 mm de largo; corola 2–2.5 mm de largo y 3–4 mm de ancho, blanca, a veces purpúrea en la garganta. Cápsula ovoide-globosa y 4-sulcada, (2–) 2.5–4 mm de largo.

Maleza frecuente en áreas perturbadas, en todo el país; 0–1400 m; fl y fr todo el año; Ortiz 395, Sandino 3544; pantropical. "Escoba".

  • Provided by: [E].Flora de Nicaragua
    • Source: [
    • 8
    • ]. 

    Perennial herbs or weak shrubs to 1.5 m tall, conspicuously glandular punctate (under a lens), the branches slender, angled by the concaulescent leaf bases, mostly glabrous, sometimes ciliate at the nodes. Leaves opposite, sometimes obovate, saliently dentate and to 4 cm long and 1.8 cm wide, mostly much narrower and smaller, the teeth often inconspicuous, apically obtuse, basally cuneate, sometimes with a distinct petiolar region, the midvein prominent with ca. 3 ascending lateral veins on each side, the venation often obscure above. Inflorescence of 1-several flowers from the leaf axils, often paired; pedicels filiform, mostly ca. 5 mm long. Flowers small, the calyx 4-parted nearly to the base, the lobes oblong, obtuse or rounded apically, mostly glabrous, sometimes ciliate, apically rounded, 3 nerved; corolla white, rotate, 4-lobed nearly to the base, the lobes 21/2 mm long, only slightly exceeding the calyx, ovate, glabrous above but densely bearded with long white hairs in the lower '/8 within; stamens 4, the filaments glabrous, slender, inserted on the corolla tube, 1 mm long; anthers yellow, 1 mm long, ellipsoidal, exserted; ovary ellipsoidal, the style 1.5 mm long, only slightly exceeding the anthers, the stigma punctiform, exserted. Capsule globose, 1.5-2.0 mm across, exceeding the calyx, 4-sulcate, yellowish brown, glabrous, dehiscing apically, sometimes beaked by remnants of the style; seeds numerous, ca. 0.5 mm long, somewhat prismatic, coarsely reticulate.

  • Provided by: [D].Flora de Panama
    • Source: [
    • 9
    • ]. 

    Erect subshrub 0.4-1 m tall, branching along main stem or less often many-branched from a subwoody taproot; stems cylindrical, 6-ribbed, puberulent, especially at nodes. Leaf blades 1.3-4 x 0.3-1 cm, elliptic to blanceolate or obovate, chartaceous, glabrous, glandular-punctate, the apex acute or obtuse, the base cuneate, the margins serrate above the middle; petioles 0-3 mm long. Flowers solitary or paired in leaf axils; pedicels 5-8 mm long, slender. Sepals 4, ovate, 1.5-2 mm long, ciliate; corolla white, 3.5-4 mm long, the tube with long ascending hairs at base, the lobes 4, reflexed, oblong and rounded at apex; stamens 4, the filaments ca. 1 mm long, pinkish-tinged, the anthers ca. 1 mm long, white; ovary ovoid, glabrous, green, the style filiform, elongate, white, the stigma capitate. Capsule ovoid, 3-3.5 mm long, with a persistent style. Seeds numerous ca. 0.5 mm long, reticulate.

  • Provided by: [F].Memoirs of the New York Botanical Garden
    • Source: [
    • 11
    • ]. 

    Stems many-branched, 20–70 cm, glabrous. Leaves opposite or 3–4-whorled, oblanceolate to oblong-obovate, 0.5–3.5 by 0.2–1.5 cm, acute at apex, attenuate to petioles, 0.5–1 cm, coarsely acute-serrate, glabrous above, gland-dotted beneath. Flowers 1–4-fasciculate in leaf-axils; pedicels 3–7 mm, glabrous. Calyx 4-lobed almost to the base, 1.5 mm long in flower, 2.5 mm long in fruit; lobes oblong-ovate, subacute, ciliate on margin. Corolla white, 3 mm long, 6–7 mm across, throat with dense long white hairs, deeply 4-lobed; lobes oblong, obtuse. Capsule globose, 2.5 mm long and wide. Seeds 0.5–0.6 by 0.3–0.4 mm.

  • Provided by: [H].e-Flora of Thailand
    • Source: [
    • 13
    • ]. 

    Morphology

    Leaf: leaf not pinnatisect; shape linear/oblanceolate/lanceolate/elliptic/ovate/ovate elliptic/oval-lanceolate; indumentum glabrate/puberulous. Flower: number of the sepal 4; colour of the corolla white/purplish/lilac; number of the petal 4.

  • Provided by: [I].Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    • Source: [
    • 1
    • ]. 

    Hoja: hoja(s) no pinatisecta(s); forma linear(es)/oblanceolada(s)/lanceolada(s)/elíptico(s)/oval(es)/oval(es) elíptico(s)/oval-lanceolada(s); indumento glabra(s)/pubérulo(s). Flor: número de sépala(s) 4; color de la corola albo/morada/lila; número de pétala(s) 4.

  • Provided by: [I].Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    • Source: [
    • 1
    • ]. 

    Folha: folha(s) não pinatissecta(s); formato linear(es)/oblanceolada(s)/lanceolada(s)/elíptico(s)/oval(ais)/oval(ais) elíptico(s)/oval-lanceolada(s); indumento glabra(s)/pubérulo(s). Flor: número de sépala(s) 4; cor da corola alvo/arroxeada/lilás; número de pétala(s) 4.

  • Provided by: [I].Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    • Source: [
    • 1
    • ]. 

    Flowers white or bluish, usually 4 petals, densely bearded inside.

  • Provided by: [M].Plants Of the World Online Portal - FWTA
    • Source: [
    • 2
    • ]. 

    Erect shrubby weed 1-3 ft.

  • Provided by: [M].Plants Of the World Online Portal - FWTA
    • Source: [
    • 2
    • ]. 

    Capsule 2–3.5 mm. long, ripening pale brown.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Corolla 2.5–3.5 mm. long, white to pale mauve.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Calyx 1.5–2.5 mm. long, 4-lobed, lobes ovate to oblong, obtuse, shortly ciliate towards apex.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Flowers solitary or more rarely paired in axils of leaf-like bracts, forming branched, many-flowered raceme-like inflorescence; pedicels up to 0.7 cm. long, filiform, glabrous.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Woody perennial or subshrub to 60 cm. tall, erect, much-branched, glabrous or minutely hairy especially at nodes; stem and branches angular or ribbed.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Leaves 1.2–4.5(5.5) x 0.2–0.9 cm., usually ternately whorled or occasionally opposite, narrowly oblanceolate to elliptic-lanceolate, narrowed towards base, apex acute or obtuse, crenate to clearly and sometimes deeply serrate in upper half, almost entire below, glabrous, densely punctate, nerves prominent below.

  • Provided by: [K].Flora Zambesiaca - descriptions
    • Source: [
    • 7
    • ]. 

    Herbe vivace ou suffrutex, atteignant 60 cm de haut; tige dressée, glabre ou pubescente aux nœuds, quadrangulaire, à ramificarions nombreuses (paraclades). Feuilles opposées, sessiles; limbe oblancéolé à elliptique-lancéolé, obtus à subaigu au sommet, de 12-45 (55) mm de long et 2-9 mm de large, obtusément à étroitement crénelé ou denté, à nervation pennée. Inflorescence lâche, en forme de racème. Fleurs blanches; pédicelle de 7 mm de long; calice de 1,5-2 mm de long, à 4 lobes de 1,3-2,3 mm de long; corolle subrotacée, de 2,5-3,5 mm de long, à 4 lobes ovales à oblongs; gorge couverte de poils denses; étamines 4, à filet de 1 mm de long; anthères à 2 thèques égales, de 1 mm de long; ovaire ovoïde, de 1,5 mm de long, glabre; style 2 mm de long; stigmate bilobé. Capsules de 2-3,5 mm de long, loculicides.

  • Provided by: [J].Flore d'Afrique Centrale
    • Source: [
    • 12
    • ]. 

    Habit

    herbs or weak shrubs

  • Provided by: [D].Flora de Panama
    • Source: [
    • 9
    • ]. 

    Ecology

    A common weed, on waste ground, dry deciduous forests, on dried up rice-fields, on sandy river banks; up to 400 m altitude.

  • Provided by: [H].e-Flora of Thailand
    • Source: [
    • 13
    • ]. 

    Habitat

    Endroits rudéralisés, cultures, champs, bord des routes et chemins, savanes, souvent sur sol sableux.

  • Provided by: [J].Flore d'Afrique Centrale
    • Source: [
    • 12
    • ]. 

    Distribution

    widespread weed of tropical lowlands.

  • Provided by: [D].Flora de Panama
    • Source: [
    • 9
    • ]. 

    A common weed of open, disturbed areas, especially along roadsides and along trails. Bordeaux (A3824), Fortsberg (A2424). Also on St. Croix, St. Thomas, and Tortola; a pantropical weed.

  • Provided by: [F].Memoirs of the New York Botanical Garden
    • Source: [
    • 11
    • ]. 

    Mauritanie, Sénégal, Gambie, Mali, Guinée-Bissau, Guinée, Sierra Leone, Liberia, Côte d'Ivoire, Burkina Faso, Ghana, Togo, Niger, Nigeria, S. Tomé, Annobon, Principe, Tchad, Cameroun, Gabon, Congo-Brazzaville, Rép. centrafricaine, Sudan, Ethiopie, Uganda, Kenya, Tanzanie, Angola, Zambie, Malawi, Madagascar, Comores, Seychelles, Maurice; Asie tropicale, Australie, Amérique tropicale.

  • Provided by: [J].Flore d'Afrique Centrale
    • Source: [
    • 12
    • ]. 

    A native of tropical America, naturalized throughout the tropics.

  • Provided by: [H].e-Flora of Thailand
    • Source: [
    • 13
    • ]. 

    Uses

    Le suc de la plante est utilisé en lavement contre les vers intestinaux (fide Broun).

  • Provided by: [J].Flore d'Afrique Centrale
    • Source: [
    • 12
    • ]. 

    Distribution Map

     
    • Native distribution
    • Introduced distribution
    Found in
    • Southern America Brazil Acre
    • Amapí
    • Amazonas
    • Parí
    • Rondônia
    • Roraima
    • Tocantins
    • Alagoas
    • Bahia
    • Ceará
    • Maranh
    • Paraába
    • Pernambuco
    • Piauá
    • Rio Grande do Norte
    • Sergipe
    • Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Espirito Santo
    • Minas Gerais
    • Rio de Janeiro
    • São Paulo
    • Brazilia Distrito Federal
    • Goiás
    • Mato Grosso
    • Mato Grosso do Sul
    Introduced into
    • Asia-Tropical Indo-China Thailand

    Other Local Names

    NameLanguageCountry
    ya nuat maeo (หญ้าหนวดแมว)(Northern)ThaiTHA
    Escoba amarga
    kratai cham yai (กระต่ายจามใหญ่)(Southeastern)ThaiTHA
    Sweet Broom Escobilla amarga
    vassoura de botãoPortuguese
    ya khat hin (หญ้าขัดหิน)(Northern)ThaiTHA
    ya chat tut (หญ้าจ้าดตุ้ด)(Northern)ThaiTHA
    ya khat (หญ้าขัด)(Southwestern)ThaiTHA
    yu kwat mae mai (ยูกวาดแม่หม้าย)(Northern)ThaiTHA
    mafai duean ha (มะไฟเดือนห้า)(Central)ThaiTHA
    vassourinhaPortuguese

      Bibliography

     Information From

    Flora of China @ efloras.org
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Missouri Botanical Garden
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    • C Missouri Botanical Garden
    Flora de Panama
    http://www.tropicos.org/Project/PAC
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • D Missouri Botanical Garden
    Flora de Nicaragua
    http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
    W. D. Stevens, C. Ulloa Ulloa, A. Pool & O. M. Montiel. 2001–. Flora de Nicaragua, Tropicos Project. Loaded from Tropicos Project: October 2017
    • E Missouri Botanical Garden
    Memoirs of the New York Botanical Garden
    https://www.nybg.org/
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • F Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    e-Flora of Thailand
    https://www.dnp.go.th/botany/eflora/aboutus.html
    Chayamarit, K. & Balslev, H. (eds.) (2019). Flora of Thailand. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
    • G All Rights Reserved
    • H Forest Herbarium All rights reserved
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    https://floradobrasil.jbrj.gov.br
    The Brazilian Flora Group (2018): Brazilian Flora 2020. http://dx.doi.org/10.1590/2175-7860201869402 Dataset/Checklist: https://ckan.jbrj.gov.br/dataset/thebrazilfloragroup_feb2018
    • I Group Brazil Flora, REFLORA Program
    Flore d'Afrique Centrale
    https://www.floredafriquecentrale.be
    • J http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
    Flora Zambesiaca - descriptions
    Flora Zambesiaca
    • K
    Plantaginaceae
    http://www.worldfloraonline.org/organisation/Plantaginaceae
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    • L CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FWTA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • M The Trustees of the Royal Botanic Gardens, Kew
    Scrophulariaceae
    http://www.worldfloraonline.org/organisation/Scrophulariaceae
    World Flora Online Data. 2021.
    • N CC0 1.0 Universal (CC0 1.0).
    World Flora Online Consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2017.
    • O CC0 1.0 Universal (CC0 1.0).