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silversword
Scientific Name: Argyroxiphium
Family: Asteraceae
Category: Dicot
Growth:
Duration:
Other Names:
Haleakal? Silversword (Argyroxiphium sandwicense subsp. macrocephalum)
The Haleakal? silversword is a striking and rare plant found exclusively in a specific habitat within the Hawaiian Islands.
Considerations for Pets
- The Haleakal? silversword has narrow, pointed silver leaves, which could be a potential hazard for pets if ingested or if they come into contact with sensitive areas.
Considerations for Children
- The Haleakal? silversword has narrow, pointed silver leaves, which could be a potential hazard for children if ingested or if they come into contact with sensitive areas.
Taxonomy and Nomenclature
- Scientific Name: Argyroxiphium sandwicense subsp. macrocephalum
- Common Names: Haleakal? silversword
- Part of the daisy family, Asteraceae.
- Another subspecies is Argyroxiphium sandwicense subsp. sandwicense, the Mauna Kea silversword.
Distribution and Habitat
- Endemic to the island of Maui and the Big Island of Hawai?i.
- Specifically found above the 6000-foot level on Haleakal?.
- The Mauna Kea silversword (Argyroxiphium sandwicense ssp. sandwicense) is found only on Mauna Kea.
Ecological Role
- The Haleakal? silversword is endangered, and its habitat is threatened by climate change.
- The Maunakea silversword is a member of the silversword alliance, a group of Hawaiian endemic plants believed to have evolved from a single plant ancestor.
Morphological Characteristics
- Features silvery hairs and fleshy leaves.
- Grows in a low-growing rosette form.
- Consists of a rosette of narrow, pointed silver leaves.
- Considered a giant rosette plant.