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Hawai'i silversword

Scientific Name: Argyroxiphium sandwicense ssp. macrocephalum

Family: Asteraceae

Category: Dicot

Growth: Shrub

Duration: Perennial

Other Names:

       

Hawai'i Silversword (Argyroxiphium sandwicense)

The Hawai'i silversword, scientifically known as Argyroxiphium sandwicense, is a striking plant endemic to the Hawaiian Islands. The Hawaiian name for the silversword is '?hinahina.

Taxonomy and Nomenclature

  • Scientific Name: Argyroxiphium sandwicense DC.
  • Kingdom: Plantae
  • Taxonomic Rank: Subspecies
  • Synonyms: Argyroxiphium macrocephalum A. Gray.
  • Common Names: Hawai'i silversword, '?hinahina, Mauna Kea silversword

Distribution and Habitat

  • The silversword is native to the islands of Maui and Hawai'i (Big Island).
  • Specific locations include the slopes of Mauna Kea and Mauna Loa, as well as Haleakal? on Maui.
  • They are found at high elevations, typically above 6000 feet, in alpine shrublands and scrub vegetation.

Morphological Characteristics

  • The silverswords form a ball-shaped rosette of silvery leaves.
  • They produce a tower of tiny pink flowers when they bloom.

Ecological Role

  • The silversword family occupies diverse terrestrial habitats in Hawai'i, from wet and dry forests to alpine regions.
  • Climate change and lower rainfall are potential threats to the silversword populations.

Interactions with Other Organisms

  • The silversword is studied by researchers at the University of Hawai'i to understand the effects of changes in temperature and precipitation.

Further Information

  • Wolfram|Alpha is a resource for accessing facts and data, including scientific information.
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