Haleakala Silversword Plant 2026 Archive Full Media Direct Link
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Delicate silverswords ('ahinahina), once ripped up and taken home by visitors as souvenirs, now depend on management efforts for survival Macrocephalum) is an endemic plant, known only from an area of about 2,500 acres on the upper slopes (6,890 to 9,843 ft) of haleakala volcano. Macrocephalum, the east maui silversword[1] or haleakalā silversword, [1] is a rare plant, part of the family asteraceae
Haleakala Plant Photos and Images | Shutterstock
The silversword in general is referred to as ʻāhinahina in hawaiian (literally, very gray). The haleakala silversword (argyroxiphium sandwicense ssp Explore the silversword plant at haleakalā national park
Learn where to see it, why it's rare, & how to pair your hike with a maui snorkeling tour!
Haleakala silversword from plumeria trees in full, blushing bloom to the bright hues of hibiscus, hawaii holds some of the most magnificent plant life on earth—and there are few better places to view the beauty of the islands' natural garden than on the slopes of maui's haleakala Ascending from sea level to haleakala's peak takes travelers up 10,023 feet and through microclimates as. Hawaii silverswords, rare plants also known as ahinahina, can be found on haleakala, mauna kea, and mauna loa on the hawaiian islands of maui and big island The silversword's closest relatives include the mauna kea silversword and various dubautia species, all part of the silversword alliance—a remarkable example of adaptive radiation similar to darwin's finches
But unlike many hawaiian plants that occur across several islands, the haleakalā silversword is highly localized. Haleakalâ silversword (argyroxiphium sandwicense macrocephalum) ('âhinahina (very gray) in hawaiian) belonging to the sunflower family, this plant is endemic to hawaii It is only found on the island of maui in haleakalâ national park at an elevation of 2,100 to 3,000 m on the haleakalâ summit depression, the rim summits, and surrounding slopes of the dormant haleakalâ volcano. Haleakala silversword, or ' ahinahina ' in hawaiian, has been listed as a threatened species since 1992
The national park service controls the number of people that can visit this fragile ecosystem each day
Climate change is also having an impact on the survival of this incredible plant species. The silversword plant is native to hawaii and can be found primarily in haleakalā national park on the island of maui This unique plant thrives in high altitudes, specifically in the volcanic cinder soil of the haleakalā crater The plant has adapted to the harsh conditions of the park, including strong winds, intense sunlight, and low rainfall.
Those challenges (little soil, arid conditions, intense solar radiation, extreme temperatures) shaped its constant evolution, forcing it to adapt to a fierce, rocky alpine desert, raked by cold winds, until it became the silver, spiky plant called 'āhinahina or haleakalā silversword (argyroxiphium sandwicense subsp 'ahinahina or the haleakala silversword at haleakala national park And the high deserts of mauna loa on the big island of hawai'i Silverswords live between 3 and 90 years or.
Silverswords, with no evolutionary history of regular abuse and no ability to recover quickly from trampling and grazing, rapidly declined
To add insult to injury, there was a time when bringing an uprooted silversword plant back from your summit adventure was a fad The plants were displayed as trophies and then discarded. The haleakala silversword, argyroxiphium sandwicense sn|29034]]sn|29034]] subsp At senescence, which often occurs when the plant reaches a diameter of approximately 0.5 metres, the plants produces a tall.
Under the close care of park staff, native plants like the 'ōhelo (vaccinium sp.), 'āhinahina or haleakalā silversword (argyroxiphium sandwicense subsp Macrocephalum), ʻōhiʻa lehua (metrosideros polymorpha), greensword (argyroxiphium grayanumand), and many others are grown safely at this facility and replanted in different areas in. Impeccably engineered, silverswords can live more than fifty years. After introducing new plants sourced from silverswords growing in different areas of the mountain and planting them at high, medium and low elevations, they tracked the plants for more than three years
They found that plants were more likely to survive at higher elevations, no matter where their seeds had come from.
The haleakala silversword, also known as ahinahina (gray in hawaiian), is a striking plant with or without flowers For most of its life, ahinahina resembles a bouquet of swords, with silver, spikey, succulent leaves growing densely at ground level. Argyroxiphium sandwicense, the hawaiʻi silversword, or hinahina[2] is a species of silversword It is endemic to hawaii
The two subspecies are separated by geography [3] both subspecies are rare, threatened and federally protected Macrocephalum) is found on the mountain haleakalā on the island of maui at elevations above 2,100 m (6,900 ft) Popular native plants in haleakalā national park silverswords silverswords are one of the most iconic plants found in haleakalā national park
These unique plants are in the sunflower family and are endemic to the hawaiian islands
They are known for their striking silvery leaves and tall flower spikes. Silversword silversword overview the silversword (argyroxiphium sandwicense) is a unique hawaiian plant It is endemic to maui's haleakala and the big island's mauna kea regions and grows nowhere else in the world It grows at a high altitude on these volcanic mountains.
These striking plants are a true wonder of nature The leaves are clothed with a dense layer of silvery hairs and are arranged in a parabolic rosette that focuses the rays from the sun and elevates the temperature of leaves near the shoot tip as much as 20 degrees c above the surrounding.
