Ophioglossum reticulatum L.

  • Family (Christenhusz et al, 2011) : OPHIOGLOSSACEAE
  • Family (As per The Plant List) : Ophioglossaceae
  • Species : Ophioglossum reticulatum
  • Species Name (as per The Plant List) : Ophioglossum reticulatum L.
  • Common name : Adder's Tongue
  • Collection Nos : HFP 469
  • Collector(s) Name : C. J. Saldanha & T.P.Ramamoorthy
  • Key identification features : Rhizome erect, cylindrical, tuberous, bearing long, thick, fleshy roots and one to two fronds; petiole dark green, terete, fleshy, uniformly pale brown, entire, acute scales present at the very base of petiole; glabrous above; blade simple, usually cordate, rarely ovate, entire; distinct midrib absent, upto 12 veins passing to the base of the blade; areoles at the centre of the blade are large and elongated and gradually becoming smaller in size towards periphery; blade dark green, glabrous above and below; texture herbaceous. Spike arising from the base of the sterile blade, oblong-lanceolate; spore sacs arranged in two alternate compact rows, dehisced by horizontal splits; spores spherical, trilete, colourless with pale green nuclear content.
  • Habit : Herb-Terrestrial
  • Native : India
  • Comments : Often grows on grassy slopes and stream banks. Ophioglossum is supposed to be the only known species having the highest count of chromosomes of the number 1260.
  • Conservation Status : Least Concern (LC)
  • Collection Locality : Hassan
  • Distribution Locality : Dakshina Kannada; Hassan; Kodagu; Uttara Kannada
  • Floras referred : 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


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Digital Flora of Karnataka by Herbarium JCB is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at http://florakarnataka.ces.iisc.ernet.in.