Parthenium hysterophorus L.

 
  • Family : ASTERACEAE
    (Composite Or Aster Or Sunflower Family)
  • Family (Hindi name) : GENDA FAMILY (गेंदा फैमिली)
  • Family (as per The APG System III) : Compositae
  • Species Name (as per The IPNI) : Parthenium hysterophorus L.
  • Common name : Congress Weed, Parthenium, Santa maria fever few, Carrot Grass
  • Vernacular name :
    • Congress gida, Parthenium gida (Kannada)
    • Vishachedi (Tamil)
    • Congress gaddi (Telugu)
    • Gajargawat (Marathi)
    • Congress pacha (Malayalam)
  • Habit : Undershrub
  • Habitat : A weed of human habitaitons
  • Comments / notes : An invasive weed of wastelands, tank bunds and paddy fields; an aggressive colonizer
  • Flower, Fruit : Throughout the year
  • Distribution :
    • Andhra Pradesh : Anantapur district, Chittoor district, Y.S.R. Kadapa district, East Godavari district, Guntur district, Krishna district, Kurnool district, S.P.S. Nellore district, Prakasam district, Srikakulam district, Visakhapatnam district, Vizianagaram district, West Godavari district
    • Telangana : Nalgonda district, Khammam district, Mahbubnagar district
    • Karnataka : Ballari district, Chamarajanagara district, Kolar district
    • Kerala : All districts of Kerala
    • Maharashtra : Akola district
    • Odisha : Angul district, Balasore district, Bargarh district, Balangir district, Boudh district, Cuttack district, Deogarh district, Dhenkanal district, Gajapati district, Ganjam district, Kalahandi district, Kandhamal district, Kendrapara district, Kendujhar district, Khordha district, Koraput district, Malkangiri district, Mayurbhanj district, Puri district, Rayagada district,Sambalpur district, Sundargarh district
    • Tamil Nadu : Coimbatore district, Dindigul district, Dharmapuri district, Kancheepuram (Changalpattu-CGP) district, Karur district, Krishnagiri district, Madurai district, Namakkal district, Pudukkottai district, Sivaganga district, Salem district, Tiruchirapalli district, Tiruvannamalai district, Villipuram district, Vellore district
    • Himachal Pradesh : Kullu district
    • Delhi : Delhi
    • Uttar Pradesh : Uttar Pradesh
    • Rajasthan : Jaisalmer district, Barmer district, Bikaner district, Jodhpur district
  • Native : Argentina, Aruba, Bahamas, Belize, Bolivia, Brazil, Cayman Islands, Colombia, Costa Rica, Cuba, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Jamaica, Leeward Islands, Mexico, Netherlands Antilles, Nicaragua, Panamá, Paraguay, Puerto Rico, Surinam
  • Exotic/Native : Exotic
  • World Distribution : Pantropical
  • Conservation Status : Not Evaluated (NE)
  • Literature :
    • Pullaiah et al., 2007 - Flora of Eastern Ghats Vol. 3
    • J.L.Ellis, 1990- Flora of Nallamalais Vol. 2
    • H.O. Saxena & M. Brahmam, 1995- Flora of Orissa Vol. 2
    • R. S. Rao et al., 1986 - Flora of West Godavari District
    • R. S. Rao and S. H. Sreeramulu, 1986 - Flora of Srikakulam District
    • Matthew, K.M., The Flora of Tamil Nadu Carnatic, Vol.3 (1). Diocesan Press, Madras. 1983
    • Sasidharan, N. 2011. Flowering plants of Kerala. DVD, V 2, KFRI.
    • H J, Chowdhery, et al. Flora of Himachal Pradesh. Volume 2, Botanical Survey of India, 1984. Pg.: 404-405
  • Read more :
  • Permalink : http://indiaflora-ces.iisc.ac.in/plants.php?name=Parthenium hysterophorus
  • Citation : Sankara Rao, K., Deepak Kumar (2026). India Flora Online. http://indiaflora-ces.iisc.ac.in/plants.php?name=Parthenium hysterophorus. Downloaded on 12 February 2026.

Botanical Description

Herbarium Specimen(s)

Line Drawings

Field Image(s)

Distribution District wise

India Distribution

World Distribution

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