Pityrogramma calomelanos (L.) Link

  • Family (Christenhusz et al, 2011) : PTERIDACEAE
  • Family (As per The Plant List) : Pteridaceae
  • Species : Pityrogramma calomelanos
  • Basionym : Acrostichum calomelanos L.
  • Species Name (as per The Plant List) : Pityrogramma calomelanos (L.) Link
  • Common name : Silverback Fern
  • Collection Nos : CJS 16798
  • Collector(s) Name : C.J.Saldanha
  • Key identification features : Rhizome erect, about 3 cm thick, densely scaly at the apex; scales lanceolate, yellowish brown or dark brown. Stipes tufted, dark brown or black, scaly at the very base, glabrous and glossy above. Lamina lanceolate, bipinnate; pinnae about 12 pairs, progressively reduced towards the apex, opposite or subopposite, shortly stalked, ovate-lanceolate; pinnules about 10 pairs, adnate with the costa, margin entire; pinnae dark green, glabrous and glossy above, covered by silver coloured waxy powder below; texture thin or thick herbaceous. Sori along veins, covered by entire surface when mature, spores trilete, honey coloured.
  • Habit : Herb-Terrestrial
  • Native : Mexico; Central America; South America
  • Comments : Very common.
  • Conservation Status : Not Evaluated (NE)
  • Collection Locality : Shiradi Ghat, Hassan
  • Distribution Locality : Chikamagalur; Udupi; Dakshina Kannada; Hassan; Kodagu; Shimoga; Tumkur; 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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