• Family : ACANTHACEAE
  (Acanthus Family)
• Family (Hindi name) : ARUSA FAMILY (अडूसा फैमिली)
• Family (as per The APG System III) : ACANTHACEAE
• Species Name (as per The Plant List) : Calacanthus grandiflorus (Dalz.) Radlk.
• Habit : Shrub
• Comments / notes : Occasional in Western Ghats
• Key identification features : Gregarious leafy shrub, black when dry, stem quadrangular, erect and glabrous except a few hairs at the nodes. Corolla bluish-purple with bifid upper lip and lower 3-lobed. Seeds hairy, yellow.
• Flower, Fruit : October-December
• Distribution :
  • Karnataka : Dakshina Kannada district
  • Kerala : Kasaragod district, Kannur district, Wayanad district, Kozhikode district, Malappuram district, Thiruvananthapuram district, Kollam district, Alappuzha district, Pathanamthitta district, Kottayam district
• Native : India
• Endemism : Western Peninsular India
• Conservation Status : Not Evaluated (NE)
• Literature : Sharma B.D, 1984 - Flora of Karnataka Analysis; Gopalakrishna Bhat, 2014 - Flora of South Kanara; 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=Calacanthus grandiflorus. Downloaded on 20 May 2024.

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