SafePlants

Dicranopteris linearis: The Uluhe Fern

Dicranopteris linearis, commonly known as Old World forked fern, uluhe (Hawaiian), or dilim (Filipino), is a widespread fern species with a notable presence in Hawaii.

Considerations for Pets

• The text mentions that this fern can form thickets, potentially creating dense areas in gardens that could be difficult for smaller pets to navigate.

Considerations for Children

• The Uluhe fern can form thickets which may make passage difficult for hikers without proper clothing on unmaintained trails.

Taxonomy and Nomenclature

• Scientific Name: Dicranopteris linearis (Burm.)
• Family: Gleicheniaceae
• Common Names: Old World forked fern, Uluhe, False Staghorn Fern, Unuhe, Climbing Fern, Matted Fern
• Other Species: sticherus owhyensis and diplopterygium pinnatum

Distribution and Habitat

• This fern is found in Hawaii, especially on the wetter, eastern side of the Big Island.
• It grows from sea level up to approximately 5,500 feet in elevation.
• It also found in Malaysia.
• It grows in the Koolau Mountains of Oahu

Ecological Role

• The uluhe fern is an indigenous species in Hawaii.
• It's noted to be vigorous and can be extremely invasive, forming thickets in disturbed mesic and wet forests. However, despite its invasive tendencies, it is not an alien species.

Morphological Characteristics

• The uluhe fern is characterized by its distinctive light green color.

Quirky Facts

• In Hawaii, the uluhe fern symbolizes growth and health, making it a meaningful element in local culture.

Further Information

• For those interested in organism identification in Hawaii, a resource at the University of Hawaii botany department is mentioned: http://www.botany.hawaii.edu/faculty/car