Ageratum houstonianum Mill.

 
  • Family : ASTERACEAE
    (COMPOSITE or ASTER or SUNFLOWER FAMILY)
  • Family (as per The Plant List) : Compositae
  • Species Name (as per The Plant List) : Ageratum houstonianum Mill.
  • Common name : Flossflower
  • Vernacular name : Kaliyamman-pathiri, Michangala, Neela appa (Malayalam)
  • Habit : Herb
  • Habitat : Forest edges near streams at high elevations
  • Comments / notes : Naturalized in Tropical Asia. On hills above 1000m in fallow fields and disturbed grounds.
  • Flower, Fruit : Throughout the year
  • Distribution :
    • Andhra Pradesh : Vishakapatnam district
    • Karnataka : Chikkamagaluru district, Dakshina Kannada district, Udupi district
    • Kerala : Palakkad district, Thrissur district, Idukki district, Pathanamthitta district, Kollam district
  • Native : Tropical America
  • World Distribution : Pantropical weed
  • Conservation Status : Not Evaluated (NE)
  • Literature : Pullaiah et al., 2007 - Flora of Eastern Ghats Vol. 3; 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; Udayan, Ravikumar and Udaiyan 2004. New Plant records from the state of Karnataka. J. Ind. For. May, 2004.; Gopalakrishna Bhat, 2014 - Flora of South Kanara.
  • Citation : Sankara Rao, K., Raja K Swamy, Deepak Kumar, Arun Singh R. and K. Gopalakrishna Bhat (2019). Flora of Peninsular India. http://peninsula.ces.iisc.ac.in/plants.php?name=Ageratum houstonianum. Downloaded on 20 August 2019.

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