Parthenium hysterophorus L.

 
  • Family : ASTERACEAE
  • Family (As per The Plant List) : Asteraceae (Compositae)
  • Species : Parthenium hysterophorus
  • Species Name (as per The Plant List) : Parthenium hysterophorus L.
  • Common name : Congress Weed
  • Collection Nos : HFP 2107, CJS 10935
  • Key identification features : A prolific undershrub with alternate, dissected leaves. Flowers are minute and aggregated into a compact flower-like inflorescence. Fruit is small and dry.
  • Habit : Herb
  • Native : West Indies, Central- & North America
  • Comments : An obnoxious weed. Its pollen is known to be allergenic.
  • Conservation Status : Not Evaluated (NE)
  • Distribution Locality : Bagalkot, Bangalore, Belgaum, Bellary, Bidar, Bijapur, Chamrajnagar, Chikamagalur, Chikkaballapur, Chitradurga, Dakshina Kannada, Davanagere, Dharwad, Gadag, Gulbarga, Hassan, Haveri, Kodagu, Kolar, Koppal, Mandya, Mysore, Raichur, Ramanagara, Shimoga, Tumkur, Udupi, Uttara Kannada, Yadgir
  • Floras referred : Saldanha & Nicolson, 1976 - Hassan; Seetharam et al., 2000 - Gulbarga; Rao & Razi, 1981 - Mysore; Keshava Murthy & Yoganarasimhan, 1990 - Coorg; Gopalakrishna Bhat, 2003 - Udupi; Manjunath et al., 2003 - Davanagere; cordata

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Digital Flora of Karnataka by Herbarium JCB is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at http://florakarnataka.ces.iisc.ernet.in.