1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Ageratum L.
      1. Ageratum conyzoides L.

        This species is accepted, and its native range is Mexico. It is used to treat unspecified medicinal disorders.

    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 0 - 3420 m.; Amazonia, Andes, Llanura del Caribe, Orinoquia, Pacífico, Valle del Cauca, Valle del Magdalena.
    Habit
    Hierba, subarbusto
    Conservation
    Preocupación Menor
    [FTEA]

    Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

    Habit
    Annual herb to 1 m tall, malodorous; stem erect to occasionally decumbent, terete, sparsely pilose and whitish pubescent, especially at nodes, to subglabrous.
    Leaves
    Leaves opposite to occasionally sub-opposite above, with pubescent petiole 0.3–3 cm, blade ovate to rhomboid, 2.2–8.5 cm long, 1.2–6 cm wide, base obtuse, margins crenate to serrate, apex acute or obtuse, upper surface subglabrous to sparsely pilose, lower surface moderately pilose.
    Inflorescences
    Inflorescence much branched, open, of 1–several bunches of ± 7–40 heads borne in open to dense cymose clusters on pubescent and pilose bracteolate peduncles; capitula 4–5 mm in diameter; stalks of individual capitula 2–12 mm, extending in fruit to 37 mm; phyllaries bi-seriate, green, ovate to oblong-lanceolate, usually 2-ribbed, outer series 3.5–4.5 mm long, 0.9–1 mm wide, inner slightly narrower, margins basally entire, erose to lacerate at apex, rarely entire, apex abruptly contracted to point, occasionally short-acuminate, often purple, glabrous to subglabrous to very sparesly pilose.
    Florets
    Florets 40–57, corolla tubular to sub-urceolate, 2–2.2 mm long, tube white, limb externally glabrous to sub-glabrous, lobes acute, blue, white, mauve, or purple; anthers basally rounded; style-arms blue, white, mauve or purple, exserted for 0.8–1.2 mm, papillate.
    Fruits
    Achenes 1.2–1.8 mm long, glabrous between ribs; pappus of 5 triangular scales 1.9–2 mm long, acuminate into a slender awn (see note), margins scabrid.
    Figures
    Fig. 181/1–8 (page 828).
    Habitat
    Weedy escape in cultivation and post-cultivation, often a pioneer on cleared land such as logging tracks, also in grassland and Acacia woodland; 0-2150 m
    Distribution
    K1 K2 K3 K4 K5 K6 K7 P T1 T2 T3 T4 T5 T6 pantropical
    [UPB]

    The Useful Plants of Boyacá project

    Habit
    Herb or subshrub.
    Conservation
    Least concern.
    Distribution
    Native from Colombia.
    Ecology
    Alt. 0 - 3420 m.
    [FWTA]

    Compositae, C. D. Adams. Flora of West Tropical Africa 2. 1963

    Habit
    A faintly aromatic erect or procumbent annual herb 1-3 ft. high
    Florets
    Mauve florets in heads about 1/4 in. long
    Note
    A common weed.
    [UPB]
    Unspecified Medicinal Disorders
    Medicinal (State of the World's Plants 2016, Instituto Humboldt 2014).

    Images

    Distribution

    Native to:

    Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest

    Introduced into:

    Alabama, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Bahamas, Benin, Bolivia, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Bulgaria, Burkina, California, Cameroon, Cape Provinces, Cape Verde, Caroline Is., Central African Repu, Chad, Chagos Archipelago, China North-Central, China South-Central, China Southeast, Christmas I., Colombia, Congo, Connecticut, Cook Is., Costa Rica, Cuba, Dominican Republic, East Himalaya, Ecuador, Egypt, Ethiopia, Fiji, Florida, France, French Guiana, Gabon, Georgia, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Hawaii, India, Italy, Ivory Coast, Jawa, Kazan-retto, Kentucky, Korea, KwaZulu-Natal, Laccadive Is., Laos, Leeward Is., Madagascar, Madeira, Malaya, Maldives, Mali, Marianas, Marquesas, Marshall Is., Maryland, Mauritania, Mauritius, Mississippi, Missouri, Mozambique, Myanmar, Nansei-shoto, Nepal, New Caledonia, New South Wales, Nicobar Is., Niue, Norfolk Is., North Carolina, Northern Provinces, Northern Territory, Ogasawara-shoto, Oman, Palestine, Panamá, Paraguay, Peru, Philippines, Puerto Rico, Queensland, Rodrigues, Réunion, Samoa, Saudi Arabia, Senegal, Seychelles, Society Is., Socotra, South China Sea, Sri Lanka, Sudan, Suriname, Swaziland, Taiwan, Thailand, Togo, Tonga, Transcaucasus, Trinidad-Tobago, Tuamotu, Tubuai Is., Turks-Caicos Is., Uruguay, Uzbekistan, Venezuela, Venezuelan Antilles, Vietnam, Windward Is., Yugoslavia, Zambia, Zimbabwe

    Common Names

    Spanish
    Mentrasto, hierba de Santa Lucía, retentina, marrubio blanco, chiva, marrubio, marubio, mastranto, yerba de chino.

    Ageratum conyzoides L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 1, 2009 Mike [14], Malaysia K000610777
    Jan 1, 2009 Ezrom, P. [254], Tanzania K000614942
    Jan 1, 2009 Nguyen, V.D. et al. [HNK 1629], Vietnam K000575521
    Jan 1, 2009 Kindeketa, W.J. [2646], Tanzania K000614950
    Jan 1, 2008 Harris, T. [198], Mozambique K000614507
    Jan 1, 2004 Pollard, B.J. [431], Cameroon K000746657
    Dec 1, 1996 Dawson, S. [37], Cameroon K000051829
    May 1, 1993 Boog [s.n.], Brazil K000488632
    Jan 1, 1993 Breteler, F.J. [206], Cameroon K000051827
    Jan 1, 1987 Thompson, S.A. [1598], Cameroon K000051848
    Jan 1, 1966 Irwin, H.S. [8886], Brazil K000924543
    Jan 1, 1953 Boughey, A.S. [7025], Cameroon K000051822
    Jan 1, 1953 Boughey, A.S. [6765], Cameroon K000051823
    Jan 1, 1953 Boughey, A.S. [7024], Cameroon K000051826
    Jan 1, 1952 Boughey, A.S. [7021], Cameroon K000051825
    Morton, J.K. [463], Cameroon K000051824
    Philcox, D. [3989], Brazil K000924544
    Philcox, D. [4477], Brazil K000924545
    Maitland, T.D. [43], Cameroon K000051834
    Maitland, T.D. [293], Cameroon K000051835
    Maitland, T.D. [0s.n.43], Cameroon K000051838
    Hutchinson, J. [119], Cameroon K000051833
    McWhinter, J. [53], Madagascar 32206.000
    Eiten, G. [6240], Brazil K000924540
    Widgren [s.n.], Brazil K000924546
    Dusén, P. [8941], Brazil K000924547
    Rakoto, R. [241], Madagascar K000662030
    Gillivray, J.M. [253], Brazil K000924536
    Dunlap [74], Cameroon K000051841
    Dunlap [32], Cameroon K000051843
    Thompson, S.A. [1338], Cameroon K000051849
    Wallich, N. [Cat. no. 3176], Myanmar K001118679
    Gaudichaud, C. [s.n.], Brazil K000924542
    Patel, H. [7396], Mozambique K000613658
    Rambo, B. [42410], Brazil K000924538
    Bruneau, A. [502], Cameroon K000051844
    Kibure, O.A. [1099], Tanzania K000612955
    Poiteau, P.A. [s.n.], French Guiana K000924541 Unknown type material
    Rakota, R. [349], Madagascar K000662040
    Glaziou, A. [8734], Brazil K000955416
    Baker, J.G. [s.n.], Brazil K000924539
    Brunt, M.A. [912], Cameroon K000051845
    Chuml, H. [203], Cameroon K000051846
    Ogu [206], Cameroon K000051840
    s.coll. [Cat. no. 3176] K001118674
    s.coll. [Cat. no. 3176] K001118675
    s.coll. [Cat. no. 3176], India K001118676
    s.coll. [Cat. no. 3176] K001118677
    s.coll. [Cat. no. 3176] K001118678
    Burchell [8649-2], Brazil K000955415
    Burchell [6607], Brazil K000955417
    Burchell [854], Brazil K000955418
    Burchell [1057], Brazil K000955419
    Burchell [807], Brazil K000955420
    Macgilay [3], Brazil K000924537
    De Silva, F. [Cat. no. 3177] Ageratum cordifolium K001118680
    s.coll. [Cat. no. 3177] Ageratum cordifolium K001118681
    s.coll. [Cat. no. 3177] Ageratum cordifolium K001118682

    First published in Sp. Pl.: 839 (1753)

    Accepted by

    • Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
    • Prakash, L. & Balasubramanian, P. (2018). Invasive alien flora of Sathyamangalam Tiger Reserve in Southern Eastern Ghats, India Indian Forester 144: 857-862.
    • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
    • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
    • Koyama, H., Bunwong, S., Pornpongrungrueng, P. & Hind, D.J.N. (2016). Flora of Thailand 13(2): 143-428. The Forest Herbarium, Royal Forest Department.
    • Turner, I.M. (1995). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(1): 1-346.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.

    Literature

    Useful Plants of Boyacá Project
    • Kew's Economic Botany collection in The State of the World’s Plants Report–2016. (2016). Royal Botanic Gardens, Kew https://stateoftheworldsplants.org/2016/
    • Instituto de Investigación de Recursos Biológicos Alexander von Humbodlt (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Castro, C. (Proveedor de metadatos), Bernal, Y. (Autor), García, N. (Autor). Versión 11.0. http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
    Flora of West Tropical Africa
    • Chev. Bot. 360.
    • F.T.A. 3: 300
    • Sp. Pl. 839 (1753)
    Kew Backbone Distributions
    • Prakash, L. & Balasubramanian, P. (2018). Invasive alien flora of Sathyamangalam Tiger Reserve in Southern Eastern Ghats, India Indian Forester 144: 857-862.
    • Koyama, H., Bunwong, S., Pornpongrungrueng, P. & Hind, D.J.N. (2016). Flora of Thailand 13(2): 143-428. The Forest Herbarium, Royal Forest Department.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.
    Flora of Tropical East Africa
    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 204, t. 80 (1994).
    • D.J.N. Hind in Fl. Mascar. 109: 234, t. 81/1–7 (1993).
    • Lisowski, Asterac. Fl. Afr. Centr.: 473, fig. 95 (1991).
    • E.K. Banda & B. Morris, Common Weeds Malawi: 10, fig. 11 (1986).
    • H.M. Burkill, Useful Pl. W. Trop. Afr. ed. 2, 1: 443 (1985).
    • Maquet in Fl. Rwanda 3: 570, fig. 174/1 (1985).
    • M.F. Johnson in Ann. Missouri Bot. Gard. 58: 26 (1971).
    • Cufod., Enumeratio Plantarum Aethiopiae Spermatophyta (Supplement in Bull. Jard. Bot. Brux.) p. 1079 (1966).
    • C.D. Adams in Flora of West Tropical Africa ed. 2, 2: 287 (1963).
    • E. Lind & A. Tallantire, Some Common Flowering Plants of Uganda p. 182, fig. 122 (1962).
    • Humbert, Fl. Madag. 189: 201, fig. 39/10–13 (1960).
    • F. W. Andr., The Flowering Plants of the Sudan 3: 8 (1956).
    • R. O. Williams, Useful and Ornamental Plants in Zanzibar and Pemba p. 110 (1949).
    • O. Hoffm. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C.: 406 (1895).
    • Oliv. & Hiern, Flora of Tropical Africa 3: 300 (1877).
    • Harv. in Fl. Cap.: 57 (1865).
    • Bojer, Hort. Maurit.: 177 (1837).
    • L., Sp. Pl.: 839 (1753).

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Useful Plants of Boyacá Project
    ColPlantA database
    http://creativecommons.org/licenses/by-nc-sa/3.0
    http://creativecommons.org/licenses/by/3.0/