Sadleria cyatheoides

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.

Sadleria cyatheoides, commonly known as ʻamaʻumaʻu fern[3] or ʻamaʻu,[4] is a fern species in the family Blechnaceae.

Description

Reaching a height of 0.9–1.5 m (3–5 ft) and a trunk diameter of 7.5–10 cm (3–4 in), ʻamaʻu resembles a small tree fern.

The young fronds are often tinged red to block harmful sunlight.[5]

Distribution and habitat

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).

Uses

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

In culture

Kīlauea's Halemaʻumaʻu is named for this species.[6]

References

  1. ^ "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. ^ NRCS. "Sadleria cyatheoides". PLANTS Database. United States Department of Agriculture (USDA). 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. Bibcode:1968EcBot..22..221C. doi:10.1007/BF02861956. ISSN 0013-0001. JSTOR 4252960.
  5. ^ Read on a sign in Hawaii Volcanoes National Park on 31.10.2013
  6. ^ 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.


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