Blechnaceae

Forest plume fern

Sadleria squarrosa (Gaudich.) T.Moore

Family: Blechnaceae
Genus: Sadleria

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Forest plume fern: Sadleria squarrosa (Amau, apuu, puaa, ehu ehu) Habit at Ainahou Bowl Koolau Gap, Maui, Hawaii. July 13, 2011 #110713-7439 Image Use Policy — Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons

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Common names

By language (2)

English: Forest plume fern, `ama`u, `ama`uma`u, `apu`u, Ma`u, Ma`uma`u, Pua`a `ehu`ehu
Hawaiian: `ama`u, `ama`uma`u, `apu`u, Ma`u, Ma`uma`u, Pua`a `ehu`ehu

Synonyms

Blechnum polystichoides Brack.
Blechnum squarrosum Gaudich.
Sadleria polystichoides (Brack.) A.Heller

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Hawaii: native

Photos

Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons

More in Sadleria

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.