USDA ARS United States Department of Agriculture
Agricultural Research Service, Beltsville Area

Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
Jump to common names  Jump to economic impacts  Jump to distribution  Jump to references  Jump to synonyms  Jump to links to other online resources  Jump to images

***Please tell us why you value GRIN Taxonomy***

Taxon: Stachytarpheta cayennensis (Rich.) Vahl

Genus: Stachytarpheta
Family: Verbenaceae
Nomen number: 35416
Place of publication: Enum. pl. 1:208. 1804 "cajanensis"
Name verified on: 10-Aug-2011 by ARS Systematic Botanists. Last updated: 10-Aug-2011
No species priority site assigned.


Common names:

  • blue snakeweed   (Source: Noxweed Aust ) – English
  • bluetop   (Source: J Adel BG 14:151.) – English
  • Cayenne snakeweed   (Source: Noxweed Aust ) – English
  • dark-blue snakeweed   (Source: Aust Pl Common Names ) – English
  • nettle-leaf porterweed   (Source: HortScience 44:1849) – English
  • rattail   (Source: F LAnt [as S. urticifolia]) – English
  • rough-leaf false vervain   (Source: Noxweed Aust ) – English
  • snakeweed   (Source: J Adel BG 14:151.) – English
  • honagasō   (Source: F Japan [as S. urticifolia]) – Japanese Rōmaji
  • gervão-urticante   (Source: D. Groth, p.c. 2005 [as S. urticifolia]) – Portuguese (Brazil)

Economic importance:


Distributional range:

    Southern Mexico: Mexico - Campeche, Chiapas, Quintana Roo, Tabasco, Veracruz
    Caribbean: Antigua and Barbuda; Barbados; Cuba; Dominica; Dominican Republic; Grenada; Guadeloupe; Haiti; Jamaica; Martinique; Montserrat; Puerto Rico; St. Lucia; St. Vincent and Grenadines - St. Vincent; Trinidad and Tobago - Trinidad
    Mesoamerica: Belize; Costa Rica; El Salvador; Guatemala; Honduras; Nicaragua; Panama
    Northern South America: French Guiana; Guyana; Suriname; Venezuela
    Brazil: Brazil - Acre, Amapa, Amazonas, Bahia, Ceara, Federal District, Goias, Maranhao, Mato Grosso, Minas Gerais, Para, Parana, Pernambuco, Rio Grande do Sul, Rio de Janeiro, Sao Paulo
    Western South America: Bolivia; Colombia; Ecuador - El Oro, Galapagos Islands, Guayas, Imbabura, Loja, Los Rios, Morona-Santiago, Napo, Pastaza, Pichincha, Zamora-Chinchipe; Peru - Amazonas, Cajamarca, Cuzco, Huanuco, Junin, Loreto, Madre de Dios, San Martin, Ucayali
    Southern South America: Argentina - Corrientes, Entre Rios, Jujuy, Misiones, Salta; Paraguay

      Naturalized: (links to other web resources are provided for some distributions)
    East Tropical Africa: Uganda
    West-Central Tropical Africa: Cameroon
    West Tropical Africa: Ghana; Liberia; Nigeria; Sierra Leone
    South Tropical Africa: Mozambique; Zimbabwe
    Western Indian Ocean: Mauritius
    Indian Subcontinent: India; Sri Lanka
    Malesia: Christmas Island; Indonesia; Papua New Guinea
    Australia: Australia - Northern Territory, Queensland
    Southeastern U.S.A.: United States - Florida
    North-Central Pacific: United States - Hawaii
    Northwestern Pacific: Guam; Micronesia; Northern Mariana Islands; Palau
    South-Central Pacific: Cook Islands; French Polynesia
    Southwestern Pacific: American Samoa; Fiji; Kiribati - Gilbert Islands; New Caledonia; Niue; Solomon Islands; Tonga; Vanuatu; Wallis and Futuna Islands
    Caribbean: Puerto Rico


  • Adams, C. 1972. Flowering plants of Jamaica.
  • Atkins, S. 2005. The genus Stachytarpheta (Verbenaceae) in Brazil. Kew Bull. 60:176–186.
  • Backer, C. A. & R. C. Bakhuizen van den Brink, Jr. 1963–1968. Flora of Java.
  • Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85.
  • Bosser, J. M. et al., eds. 1976–. Flores des Mascareignes.
  • Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45.
  • Burkart, A. E., ed. 1969–. Flora ilustrada de Entre Rios.
  • CONABIO. Comisión Nacional para el Conocimiento y Uso de la Biodiversidad en Mexico. Sistema Integrado de Información Taxonómica (SIIT) (on-line resource).
  • Cabrera, A. L., dir. 1977–. Flora de la provincia de Jujuy, Republica Argentina.
  • Exell, A. W. et al., eds. 1960–. Flora zambesiaca.
  • Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
  • Gómez-Pompa, A. & V. Sosa, eds. 1978–. Flora de Veracruz.
  • Görts-van Rijn, A. R. A., ed. 1986–. Flora of the Guianas.
  • Groth, D. 2005. pers. comm. [re. Brazilian common names].
  • Holm, L. et al. 1979. A geographical atlas of world weeds.
  • Howard, R. 1974–1989. Flora of the lesser Antilles.
  • Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
  • Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
  • Iwatsuki, K. et al. 1993–. Flora of Japan. [= S. urticifolia].
  • Jardín Botánico Nacional. 1998–. Flora de la República de Cuba.
  • Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75.
  • Keay, R. W. J. & F. N. Hepper. 1953–1972. Flora of west tropical Africa, ed. 2.
  • Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
  • León (J. S. Sauget) & Alain (E. E. Liogier). 1946–1962. Flora de Cuba.; suppl. 1969
  • Liogier, A. H. 1981–. Flora of Hispaniola: Part 1; La Flora de la Española. Part II-.
  • Liogier, H. A. 1984–. Descriptive flora of Puerto Rico and adjacent islands.
  • Macbride, J. F. et al., eds. 1936–1971. Flora of Peru.; new ser. 1980-
  • Moldenke, H. N. 1980. A sixth summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Chloanthaceae, Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the world as to valid taxa, geographic distribution and synonymy. Phytologia Mem. 2:1–629.
  • Munir, A. A. 1992. A taxonomic revision of the genus Stachytarpheta Vahl (Verbenaceae) in Australia. J. Adelaide Bot. Gard. 14:145–151.
  • Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
  • Nelson, C. H. N. 2008. Catálogo de las plantas vasculares de Honduras.
  • Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia.
  • Standley, P. C. & J. A. Steyermark. 1946–1976. Flora of Guatemala.
  • Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3).
  • Steyermark, J. A. et al., eds. 1995–. Flora of the Venezuelan Guayana.
  • Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa.
  • Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds.
  • Wilson, S. B. et al. 2009. Seed production and viability of eight porterweed selections grown in northern and southern Florida. HortScience 44:1842–1849.
  • Woodson, R. E. & R. W. Schery, eds. 1943–1980. Flora of Panama.
  • Zuloaga, F. O. & O. Morrone, eds. 1996. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74., 1999


Check other web resources for Stachytarpheta cayennensis (Rich.) Vahl:

Check other web resources for images:

  • Google Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

| USDA | ARS | GRIN | NPGS | New Search |

Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (04 October 2015)

Please send us your comments

Close Window

Ctrl P to print