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Sadleria cyatheoides

Summary

Sadleria cyatheoides, commonly known as amaumau fern[3] or ʻamaʻu,[4] is a fern species in the family Blechnaceae, in the eupolypods II clade[5] of the order Polypodiales,[6] in the class Polypodiopsida.[7] It is endemic to Hawaii and inhabits lava flows, open areas, and wet forests on all major islands up to an altitude of 1,676 m (5,499 ft). Reaching a height of 0.9–1.5 m (3.0–4.9 ft) and a trunk diameter of 7.5–10 cm (3.0–3.9 in), ʻamaʻu resembles a small tree fern. Kīlauea's Halemaʻumaʻu is named for this species.[8]

Sadleria cyatheoides

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Blechnaceae
Genus: Sadleria
Species:
S. cyatheoides
Binomial name
Sadleria cyatheoides
Synonyms[2]
  • Blechnum fontanesianum Gaudich.
  • Blechnum kaulfussianum Gaudich.
  • Blechnum cyatheoides (Kaulf.) Christenh.
  • Woodwardia cyatheoides (Kaulf.) Mett.

Its pith and young fronds are edible either roasted or steamed.[4]

Description edit

The young fronds are often tinged red to block harmful rays from the sun.[9]

References edit

  1. ^ "Sadleria cyatheoides, Sadleria cyatheoides". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2011-06-14.
  2. ^ Hassler, Michael & Schmitt, Bernd (November 2019). "Sadleria cyatheoides". Checklist of Ferns and Lycophytes of the World. 8.11. Retrieved 2019-12-24.
  3. ^ USDA, NRCS (n.d.). "Sadleria cyatheoides". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  4. ^ a b Chock, Alvin K. (1968). "Hawaiian Ethnobotanical Studies I. Native Food and Beverage Plants". Economic Botany. 22 (3): 221–238. ISSN 0013-0001.
  5. ^ 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.
  6. ^ 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.
  7. ^ Alan R. Smith; Kathleen M. Pryer; Eric Schuettpelz; Petra Korall; Harald Schneider & Paul G. Wolf (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. JSTOR 25065646.
  8. ^ Little Jr., Elbert L.; Roger G. Skolmen (1989). "ʻAmaʻu, sadleria" (PDF). Common Forest Trees of Hawaii (Native and Introduced). United States Forest Service. Retrieved 2011-06-14.
  9. ^ Read on a sign in Hawaii Volcanoes National Park on 31.10.2013

External links edit

  • Sadleria cyatheoides. NatureServe. 2012.
  •   Media related to Sadleria cyatheoides at Wikimedia Commons
  •   Data related to Sadleria cyatheoides at Wikispecies