Sadleria cyatheoides

Sadleria cyatheoides
Vulnerable
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
  • Blechnum fontanesianum Gaudich.
  • Blechnum kaulfussianum Gaudich.
  • Blechnum cyatheoides (Kaulf.) Christenh.
  • Woodwardia cyatheoides (Kaulf.) Mett.

Sadleria cyatheoides, commonly known as ʻamaʻumaʻu fern or ʻamaʻu, 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.

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.

In culture

Kīlauea's Halemaʻumaʻu is named for this species.

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. 1 2 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.