• Family : ASTERACEAE
  (Composite Or Aster Or Sunflower Family)
• Family (Hindi name) : GENDA FAMILY (गेंदा फैमिली)
• Family (as per The APG System III) : COMPOSITAE
• Synonym(s) : Eupatorium odoratum L.
• Species Name (as per The Plant List) : Chromolaena odorata (L.) R.M.King & H.Rob.
• Common name : Siam weed, Chritsmas Bush, Bitter Bush
• Vernacular name : Rukusi, Phulgandhuri, Gandhuri, Pokasunga (Oria); Assam pacha, Communist-pacha (Malayalam); Kampurodda (Telugu)
• Habit : Undershrub
• Comments / notes : Naturalized in Tropical Asia. Occasional on hills slopes from 500-1000m. A very aggressive colonizer and invader of wastelands and forest clearings.
• Flower, Fruit : October-May
• Distribution :
  • Andhra Pradesh : Anantapur district, Chittoor district, Kadapa district, East Godavari district, Guntur district, Krishna district, Kurnool district, Nellore district, Prakasam district, Srikakulam district, Vishakapatnam district, Vizianagaram district, West Godavari district
  • Telangana : Nalgonda district, Khammam district, Mehboobnagar district
  • Karnataka : Ballari district, Kolar district, Chamarajanagar district
  • Kerala : All districts of Kerala
  • Odisha : Angul district, Balasore district, Bargarh district, Bolangir district, Boudh district, Cuttack district, Deogarh district, Dhenkanal district, Gajapati district, Ganjam district, Kalhandi district, Kandhamal district, Kendrapara district, Keonjhar district, Khurda district, Koraput district, Malkangiri district, Mayurbhanj district, Puri district, Rayagada district, Sambalpur district, Sundergarh district
  • Tamil Nadu : Coimbatore district, Dindigul district, Dharmapuri district, Kanchipuram (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
• Native : America
• World Distribution : Tropical Asia (Naturalized)
• Conservation Status : Not Evaluated (NE)
• Literature : Pullaiah et al., 2007 - Flora of Eastern Ghats Vol. 3; 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.
• 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=Chromolaena odorata. Downloaded on 20 May 2024.

Botanical Description

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