Porteresia coarctata   (Roxb.) Tateoka  (Plant)
Organism information awaits expert curation
Class: Equisetopsida

Perennial grass 1-2 m tall, rhizome thick, creeping. Leaves linear, coriaceous with spinulose margins. Panicles spiciform, branched, each with a few flowers; glumes 1 and 2 setaceous, glume 3 smooth, dorsally winged into an awn; lodicules subquadrate, memĀ­branous.

Flowering and fruiting from May-August.

Synonym (s)

Common Name (s)
• Dhani Ghas (Bengali)
• Dhani Ghas (Oriya)
• Harakata (Bengali)
• Wild Rice (English)
• Yelugaddi
Economic Importance and Threats
Importance:  Commercial, Ecosystem balance
(The grass is used as fodder and for paper pulp making and thatching.
Acts as soil binder and land formation mechanism in tidal area.)

Habitat:  Estuarine, Coastal
Trophic Level:  Producer


• West Bengal INDIA
• Orissa INDIA
• Andhra Pradesh INDIA
• Karnataka INDIA
• Maharashtra INDIA
• Goa, Baga INDIA
• Goa, Nerul Creek INDIA
• Orissa, Dhamra Estuary INDIA
• West Bengal, Sundarban Mangrove Forest INDIA
• Orissa, Subarnarekha Mangrove Forest INDIA
• Orissa, Bhitarkanika Mangrove Forest INDIA
• Andhra Pradesh, Godavari and Krishna Delta INDIA
• Tamil Nadu, Pichavaram Mangrove Estuary INDIA
• Goa, Zuari Estuary INDIA
• Karnataka, Kundapura INDIA
• Maharashtra, Mumbai INDIA
• Gujarat, Bhavnagar Estuary INDIA
• Andaman and Nicobar Islands INDIA
• Orissa, Mahanadi Delta INDIA
• West Bengal, Sundarbans INDIA
• Orissa, False Point INDIA

Literature Source(s)
  • Banerjee, LK; Sastry, RK and Nayar MP (1989) Mangroves in India: Identification manual Botanical survey of India, Calcutta, India Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Rajendra N and Sanjeevi SB (2004) Flowering plants and fern in mangrove ecosystems of India: An identification manual ENVIS centre, Annamalai University, Parangipettai, Tamil Nadu, India. 110 Available at - NIO, Goa
  • Jagtap, TG; Bhosale, S and Charulata, S (2005) Characterization of Porteresia coarctata beds along the Goa coast, India Aquatic Botany Elsevier 84(1) 37-44 Available at - http://dx.doi.org/10.1016/j.aquabot.2005.07.010
  • Jagtap, TG; Desai, K and Rodrigues, R (2003) Coastal vegetation: patterns in a tourist region Coastal tourism, environment, and sustainable local development TERI 131-150 Available at - NIO, Goa
  • Dutta, SK (2007) Biodiversity assessment of Dhamra port site and surrounding areas, Orissa Greenpeace India 4-38 Available at - http://www.greenpeace.org/raw/content/india/press/reports/greenpeace-biodiversity.pdf
  • Mandal, RN and Naskar, KR (2008) Diversity and classification of Indian mangroves: a review Tropical Ecology International Society for Tropical Ecology 49(2) 131-146 Available at - http://www.tropecol.com/pdf/open/PDF_49_2/05%20Mandal.pdf
  • Banerjee, LK and Roa, TA (2001) Flora of the Mahanadi Delta, Orissa Botanical Survey of India 1-307 Available at - NIO,Goa

Page last updated on:2011-11-24

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