2023年10月3日 · The silvery hairs, fleshy leaves, and low-growing rosette form of the Haleakalā silversword (Argyroxiphium sandwicense subsp. macrocephalum) allow it to survive in hot, dry …

The Hawaiian silversword – known by its Hawaiian name 'ahinahina (“very grey”)– is an exceptionally rare and endangered plant unique to Haleakala on Maui and Mauna Kea and …

2021年8月12日 · Ascending from sea level to Haleakala’s peak takes travelers up 10,023 feet and through microclimates as diverse as rainforest and alpine desert, each complete with their own …

2019年8月23日 · The silvery hairs, fleshy leaves, and low-growing rosette form of Hawai'i silverswords allow them to survive in hot, dry climates like the aeolian desert cinder slopes of …

The Haleakalā silversword, Argyroxiphium sandwicense subsp. macrocephalum, has numerous sword-like succulent leaves covered with silver hairs. Silversword plants in general grow on …

Haleakala silversword (A. sandwicense subsp. macrocephalum) is found on the mountain Haleakalā on the island of Maui at elevations above 2,100 m (6,900 ft). It is a federally listed …

1992年5月15日 · The Haleakala silversword (Argyroxiphium sandwicense ssp. macrocephalum) is a single-stemmed shrub of the aster family. Its rosette of narrow, sword-shaped leaves has a …

2016年7月1日 · Summer is the prime time to observe an only-on-Maui botanical phenomenon: the blooming of the Haleakalā silverswords. These rare, endangered plants dot the sides of …

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 …

The Haleakala silversword (Argyroxiphium sandwicense ssp. macrocephalum) was near extinction in the 1920’s because of human van-dalism and browsing by goats and cattle. The …