• 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 : Not common, 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

Description

Herbarium Specimen(s)

Field Images