-  Family : CELASTRACEAE
 (Staff-Tree Family) 
-  Family (Hindi name) : MALKANGANI FAMILY (मालकांगनी फैमिली) 
 
-  Family (as per The APG System III) : Celastraceae
 
-  Basionym : Celastrus opposita Wall. 
 
-  Species Name (as per The IPNI) : Pleurostylia opposita (Wall.) Alston 
 
-  Vernacular name :
- Siru piyari, Karuvaali (Tamil) 
 
-  Karuvali (Malayalam) 
 
  
-  Habit : Tree 
 
-  Habitat : Tropical evergreen forests 
 
-  Comments / notes : Occasional on foothills to 1400m in a range of habitats, from full sun-exposed slopes to the interior of sholas. 
 
-  Flower, Fruit : June-December 
 
-  Collector(s) Name : Arun Singh, Raja K.Swamy, Rajasri Ray; Raja K. Swamy, Arun Singh, K. Sankara Rao 
 
-  Collection Date : 12-09-2014, 26-10-2014 
 
-  Collection Nos : HJCB-0023; HJCB-0113 
 
-  Collection Locality : Alangayam R.F., Jawadhu Hills (TN); Talakona Rf, Chittoor district (AP) 
 
-  Distribution : 
-  Andhra Pradesh : Chittoor district, Nellore district, East Godavari district, Vishakapatnam district, Kadapa district 
 -  Kerala : Idukki district, Pathanamthitta district, Kollam district, Thiruvananthapuram district 
 -  Tamil Nadu : Sirumalai Hills (Dindigul district), Javadu Hills (Tiruvannamalai district), Coimbatore district, Dharmapuri district, The Nilgiri district, Villipuram district, Cuddalore district, Tiruchirapalli district, Vellore district 
 -  Andaman and Nicobar Islands : Andaman Islands 
 -  Lakshadweep : Lakshadweep 
 
  
-  Native : Andaman Islands, Australia, Hainan, India, Lakshadweep Islands, Madagascar, Malaya, Mauritius, Mozambique, New Caledonia, New Guinea, Philippines, Sri Lanka, Thailand, Vanuatu, Vietnam 
 
-  Exotic/Native : Native 
 
-  World Distribution : Andaman Islands, Australia, Hainan, India, Lakshadweep Islands, Madagascar, Malaya, Mauritius, Mozambique, New Caledonia, New Guinea, Philippines, Sri Lanka, Thailand, Vanuatu, Vietnam 
 
-  Conservation Status : Not Evaluated (NE) 
 
-  Literature :
- Pullaiah et al., 2002 - Flora of Eastern Ghats Vol. 1 
 
-  Sankar,R.V., R. Kottaimuthu & K. Ravikumar (2009). Additions to the flora of Sirumalai Hills, Eastern Ghats, India. Journal of Threatened Taxa 1(7): 379-381. 
 
-  Matthew, K.M., Flora of Tamil Nadu Carnatic, Vol.3 (1). Diocesan Press, Madras. 1983 
 
-  Henry, Kumari & Chithra (1983). Flora of Tamil Nadu, India  vol. 1 
 
-  Sasidharan, N. 2011. Flowering plants of Kerala. DVD, V 2, KFRI. 
 
  
-  Read more :
 
-  Permalink : http://indiaflora-ces.iisc.ac.in/plants.php?name=Pleurostylia opposita
 
-  Citation : Sankara Rao, K., Deepak Kumar (2025). India Flora Online. http://indiaflora-ces.iisc.ac.in/plants.php?name=Pleurostylia opposita. Downloaded on  4 November 2025.
 
 
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