Diplazium polypodiodes Blume

  • Family (Christenhusz et al, 2011) : WOODSIACEAE
  • Family (As per The Plant List) :
  • Species : Diplazium polypodiodes
  • Species Name (as per The Plant List) : Allantodia aspera (Blume) Ching
  • Collection Nos : HFP 1517
  • Collector(s) Name : T. P. Ramamoorthy
  • Endemism : South India
  • Key identification features : Rhizome erect, subarborescent, upto 16 cm thick, densely covered by linear-lanceolate scales at the apex. Stipes tufted, upto 140 cm long, 2 cm thick, black at the base, pale or grey-brown above, sparsely scaly at the base. Lamina broadly lanceolate, bipinnatifid; primary pinnae upto 10 pairs, alternate, stalked; secondary pinnae upto 26 pairs in the largest basal primary pinna, basal two to five pairs shortly stalked, others sessile or subsessile, basal few pairs subopposite, others alternate, margin serrate at the apex, lobed 1-2 mm to the costa in the rest; costules and veins slightly distinct above and below. Pinnae dark green, glabrous above and below except the occurrence of few small, pale brown scales on the lower sides of the costules and costa. Sori straight, borne on all the veins except few distal pairs, stretching from the costule half or three-fourth way to the margin; spores with narrow winged perispore.
  • Habit : Herb-Terrestrial
  • Native : India; China
  • Comments : Ocassional in the W.Ghats, growing along stream banks.
  • Conservation Status : Not Evaluated (NE)
  • Collection Locality : Hassan
  • Distribution Locality : Hassan
  • 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


Herbarium Specimen(s)


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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://flora-peninsula-indica.ces.iisc.ac.in/karnataka/.