New fern species Pteris madhusoodanan

New fern species Pteris madhusoodanan

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Category : National Published on: August 13 2026

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  • New fern species Pteris madhusoodananii described on 30 July 2026 in Nordic Journal of Botany.
  • Endemic to Kolli Hills, Eastern Ghats, Tamil Nadu.
  • Preliminary IUCN assessment: Critically Endangered.
  • Described by a team including K.S. Abhilash, A.A. Philip, T.S. Gayathri and others from Government Victoria College and affiliated institutions.
  • Features stiff, leathery, lustrous deep-green leaves; distinct pinna-pinnule architecture and basal lobe.
  • Spores show narrow, wavy-edged cingulum (SEM studies).
  • Known from only two small sites (~8 sq km) in unprotected areas.
  • The genus Pteris belongs to the family Pteridaceae.
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