Doodia media
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Blechnaceae
Genus: Doodia
Species:
D. media
Binomial name
Doodia media
Synonyms[1]
  • Blechnum medium (R.Br.) Christenh.
  • Doodia aucklandica Field
  • Doodia caudata var. media (R.Br.) Benth.
  • Doodia caudata var. triloba F.Muell.
  • Doodia caudata f. triloba (F.Muell.) Domin
  • Doodia connexa Kunze
  • Doodia duriuscula Moore
  • Doodia lunulata R.Br.
  • Doodia polysora Terracino
  • Woodwardia connexa (Kunze) Fée
  • Woodwardia lunulata Fée
  • Woodwardia media Fée

Doodia media, also known as rasp fern (or pukupuku in Māori),[2] is a fern species in the family Blechnaceae. The species was formally described by botanist Robert Brown in 1810.[3][4] Distribution of the species includes New Zealand's North Island and the upper part of the South Island (Nelson and Marlborough).[2] It is also found in Australia and Lord Howe Island.[5]

Flavonoids colour the tips of young fronds pink.

Young fronds contain flavonoids that protect them from ultraviolet radiation and give them a pink colour.[2]

Phylogenic studies have shown that the genus Doodia is embedded within the paraphyletic genus Blechnum,[6] when that genus is broadly circumscribed. Christenhusz et al., 2011, therefore reassigned all Doodia species to Blechnum. Doodia media R.Br. was transferred to Blechnum medium and Doodia media subsp. australis (Doodia australis) was transferred to Blechnum parrisii.[7] Other sources, such as World Ferns, based on the Pteridophyte Phylogeny Group classification, split Blechnum, accepting Doodia.[1]

References

  1. 1 2 3 Hassler, Michael (2004–2021), "Genus Doodia", World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 12.4, retrieved 2021-09-24
  2. 1 2 3 Crowe, A. (1994). Which Native Fern?, p. 37. Auckland: Viking. ISBN 0-670-85549-9.
  3. ↑ "Doodia media". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 17 March 2012.
  4. ↑ New Zealand journal of botany. 2006
  5. ↑ "PlantNET - FloraOnline".
  6. ↑ Carl J. Rothfels; Anders Larsson; Li-Yaung Kuo; Petra Korall; Wen- Liang Chiou; Kathleen M. Pryer (2012). "Overcoming Deep Roots, Fast Rates, and Short Internodes to Resolve the Ancient Rapid Radiation of Eupolypod II Ferns". Systematic Biology. 61 (1): 490–509. doi:10.1093/sysbio/sys001. PMID 22223449.
  7. ↑ Maarten J. M. Christenhusz; Xian-Chun Zhang; Harald Schneider (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2.
  • New Zealand journal of botany. 2006. vol. 18
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