Ottelia alismoides (L.) Pers.

 
  • Family : HYDROCHARITACEAE
    (Frog's-Bit Family)
  • Family (Hindi name) : JHANGI FAMILY (झांगी फैमिली)
  • Family (as per The APG System III) : Hydrocharitaceae
  • Basionym : Stratiotes alismoides L.
  • Synonym(s) : Stratiotes alismoides L.; Damasonium indicum Willd.
  • Species Name (as per The IPNI) : Ottelia alismoides (L.) Pers.
  • Common name : Duck weed
  • Vernacular name :
    • Hasiru Neerupatre (Kannada)
  • Habit : Herb
  • Habitat : Ponds and streams
  • Comments / notes : Submerged herb, Often in plains to 1000m.
  • Flower, Fruit : July-April
  • Distribution :
    • Andhra Pradesh : Anantapur district, Chittoor district, Y.S.R. Kadapa district, East Godavari district, Guntur district, Krishna district, Kurnool district, S.P.S. Nellore district, Prakasam district, Srikakulam district, Visakhapatnam district, Vizianagaram district, West Godavari district
    • Telangana : Nalgonda district, Khammam district, Mahbubnagar district
    • Karnataka : Ballari district, Kolar district, Chamarajanagara district
    • Kerala : All districts of Kerala
    • Maharashtra : Ahmednagar district, Akola district, Bhandara district, Mumbai Suburban district, Chandrapur district, Kolhapur district, Nagpur district, Pune district, Raigad district, Sindhudurg district, Thane district, Yavatmal district
    • Odisha : Angul district, Balasore district, Bargarh district, Balangir district, Boudh district, Cuttack district, Deogarh district, Dhenkanal district, Gajapati district, Ganjam district, Kalahandi district, Kandhamal district, Kendrapara district, Kendujhar district, Khordha district, Koraput district, Malkangiri district, Mayurbhanj district, Puri district, Rayagada district, Sambalpur district, Sundargarh district
    • Tamil Nadu : Coimbatore district, Dindigul district, Dharmapuri district, Kancheepuram (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
    • Uttar Pradesh : Uttar Pradesh
  • Native : Often in plains to 1000m.
  • World Distribution : Indo-Malesia to Pacific Islands and East Asia
  • Conservation Status : Least Concern (LC)
  • Literature :
    • J.L.Ellis, 1990- Flora of Nallamalais Vol. 2
    • H.O. Saxena & M. Brahmam, 1995- Flora of Orissa Vol. 3
    • R. S. Rao et al., 1986 - Flora of West Godavari District
    • H. O. Saxena and M. Brahmam, 1989 - The Flora of Similipahar (Similipal), Orissa
    • IUCN Red List of Threatened Species. Version 2014.1.
    • N.P.Singh, 1988. Flora of Eastern Karnataka
    • B. D. Sharma, S. Karthikeyan & N. P. Singh 1996 - Flora of Maharashtra state - Monocotyledons
    • Matthew, K.M., The Flora of Tamil Nadu Carnatic, Vol.3 (2). Diocesan Press, Madras. 1983
    • Sasidharan, N. 2011. Flowering plants of Kerala. DVD, V 2, KFRI.
  • Read more :
  • Permalink : http://indiaflora-ces.iisc.ac.in/plants.php?name=Ottelia alismoides
  • Citation : Sankara Rao, K., Deepak Kumar (2026). India Flora Online. http://indiaflora-ces.iisc.ac.in/plants.php?name=Ottelia alismoides. Downloaded on 30 January 2026.

Botanical Description

Herbarium Specimen(s)

Field Image(s)

Distribution District wise

India Distribution

World Distribution

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