Thelypteris octhodes (Kunze) Ching

 
  • Family (Christenhusz et al, 2011) : THELYPTERIDACEAE
  • Family (As per The Plant List) : Thelypteridaceae
  • Species : Thelypteris octhodes
  • Synonym : Pseudocyclosorus ochthodes (Kunze) Holttum
  • Species Name (as per The Plant List) : Aspidium ochthodes Kunze
  • Collection Nos : HFP 1004
  • Collector(s) Name : F. M. Jarrett & T. P. Ramamoorthy
  • Key identification features : Rhizome usually short creeping or suberect, rarely erect; scales broadly ovate. Stipes upto 105 x 1 cm, dark brown and sparsely scaly at the base, grey-brown or purple-brown and glabrous above, rounded below, grooved above; three or four pairs of dark brown aerophores present along each side of the stipe. Lamina ovate or lanceolate, terminating with a pinna having larger lobes at the basal part, acuminate; pinnae upto 35 pairs, sessile, subopposite or alternate, upto 10 pairs of basal pinna abruptly reduced to tubercules, pinnae in the distal part of lamina progressively reduced; rachis more or less tetragonal with groove on each side except at the lower flattened side; costa distinctly raised and rounded below, slightly raised and grooved above; costules and veins slightly raised below; pinnae dark green above, pale green below; texture subcoriaceous; long, soft, slender, pale brown hairs sparsely distributed all over the rachis, upper and lower surfaces of costa and costules. Sori supramedian on each vein except few pairs of veins in the distal part of lobe, yellowish-green; spores yellowish-green.
  • Habit : Herb-Terrestrial
  • Native : India
  • Comments : Common in the Western Ghats above 1000 m in partially shaded places along stream banks and roadsides.
  • Conservation Status : Not Evaluated (NE)
  • Collection Locality : Hassan
  • Distribution Locality : Chikamagalur; Dakshina Kannada; Hassan; Kodagu; Shimoga
  • Floras referred : Fraser-Jenkins, Taxonomic revision of Indian Subcontinental Pteridophytes 2008; Rajagopal & Bhat, Pteridophytic flora of Karnataka State- 1998; Saldanha & Nicolson, 1976

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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.