Taxon: Striga spp.*

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared noxious weed by USDA-APHIS.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AL*, AR*, AZ*°, HI*°, MA*, NC*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• witchweed   (Source: NPB State Noxweed AZ [http://nationalplantboard.org/docs/summaries/arizona.pdf]) – English
  

Economic importance:

• Weed: parasite   (fide State Noxweed Seed)
  

Distributional range:

• AFRICA
  Macaronesia: Cape Verde
  Northern Africa: Egypt; Morocco
  Northeast Tropical Africa: Chad; Djibouti; Eritrea; Ethiopia; Somalia; Sudan
  East Tropical Africa: Kenya; Tanzania; Uganda
  West-Central Tropical Africa: Burundi; Cameroon; Central African Republic; Congo; Gabon; Rwanda; Zaire
  West Tropical Africa: Benin; Burkina Faso; Cote D'Ivoire; Gambia; Ghana; Guinea; Guinea-Bissau; Liberia; Mali; Mauritania; Niger; Nigeria; Senegal; Sierra Leone; Togo
  South Tropical Africa: Angola; Malawi; Mozambique; Zambia; Zimbabwe
  Southern Africa: Botswana; Lesotho; Namibia; South Africa - Cape Province, Free State, KwaZulu-Natal, Transvaal; Swaziland
  Western Indian Ocean: Madagascar; Mauritius; Seychelles
• ASIA-TEMPERATE
  Arabian Peninsula: Oman; Saudi Arabia; Yemen
  China: China - Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan
  Eastern Asia: Taiwan
• ASIA-TROPICAL
  Indian Subcontinent: Bhutan; India; Nepal; Pakistan; Sri Lanka
  Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
  Malesia: Indonesia; Malaysia; New Guinea; Philippines - Luzon
• AUSTRALASIA
  Australia: Australia - Northern Territory, Queensland, Western Australia

• naturalized elsewhere

References:

• National Plant Board. 2008–. National Plant Board federal and state quarantine summaries.
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.

More:

Search AGRICOLA article citation database for citations referencing Striga spp..

Search NCBI's Entrez search engine for PubMed citations referencing Striga spp..

Search Biodiversity Heritage Library for historical publications referencing Striga spp..

Check other web resources for Striga spp.:

• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• On-line Flora of Zimbabwe
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• Seeds: U.S. National Seed Herbarium image

More:

• Check PlantSystematics.org for additional images
• 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

Ctrl P to print