Salvinia adnata Desv.

 
  • Family : Salviniaceae
  • Family (as per The Plant List) : SALVINIACEAE
  • Synonym(s) : Salvinia molesta D.S. Mitch.
  • Species Name (as per The Plant List) : Salvinia adnata Desv.
  • Habit : Herb
  • Habitat : Aquatic
  • Comments / notes : A fast growing aquatic weed with three stages of growth. Young plants appear quiet different from mature ones
  • Key identification features : Aquatic free floating plants; stem spongy, terete, upto 2 mm thick brown, branched with nodes and internodes, bearing submerged leaf which is modified into about 5 cm long, root like organs which are covered by brown septate hairs. Normal leaves borne at the nodes in two opposite pairs, erect, floating, sessile, ovate to oblong, entire, pale green, erect with a common stalk, branched into four septate hooked branches; veins slightly distinct below, anastomosign to form parallel, elongated areoles; texture soft herbaceous; normal leaves spongy due to hairs; sporocarps borne in clusters on submerged leaves, about 10 in number, ovoid, upto 2 mm in diameter, sessile, densely hairy; microsporangia borne on the branched receptacle in cluster in microsporocarps; megasporangia borne in megasporocarps.
  • Collector(s) Name : PK Rajagopal
  • Collection Date : 1-11-1988
  • Collection Nos : PKR 20
  • Collection Locality : Udupi
  • Distribution :
    • Karnataka : Dakshina Kannada district, Mysore district, Udupi district
    • Odisha : Cuttack district, Mayurbhanj district
  • Literature : Fraser-Jenkins, Taxonomic revision of Indian Subcontinental Pteridophytes 2008; Rajagopal & Bhat, Pteridophytic flora of Karnataka State- 1998; Manickam V.S & Irudayaraj V. (1992)- Pteridophyte flora of W.Ghats, South India
  • 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=Salvinia adnata. Downloaded on 6 December 2019.

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