ʻāhinahina (Haleakalā silversword)

E172544

ʻĀhinahina, or the Haleakalā silversword, is a rare, silvery-leaved plant endemic to the high-altitude slopes of Haleakalā on Maui and renowned for its striking flowering stalk and extreme adaptation to harsh volcanic environments.

All labels observed (4)

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf endemic species
perennial plant
plant species
adaptation reduces water loss in arid conditions
reflects intense solar radiation
tolerates freezing nighttime temperatures
climate high UV radiation
large diurnal temperature fluctuations
low precipitation
commonNameOf ʻāhinahina (Haleakalā silversword) self-linksurface differs
surface form: Argyroxiphium sandwicense subsp. macrocephalum
conservationStatus threatened
culturalSignificance important plant in Native Hawaiian culture
distributionPattern patchy populations along cinder slopes
endemicTo Haleakalā volcano
surface form: Haleakalā

Hawaiian Islands
Maui
family Asteraceae
flowerColor usually purple to maroon
flowering flowers once at the end of its life
floweringStalkHeight up to about 2 meters
genus Argyroxiphium sandwicense
surface form: Argyroxiphium
growthForm compact rosette forming a spherical mound
habitat high-elevation volcanic cinder deserts
subalpine shrubland
inflorescenceType tall flowering stalk with many heads
kingdom Plantae
leafArrangement basal rosette
leafCharacteristic densely covered with silvery hairs
leafColor silvery
leafFunction insulating the plant from cold
trapping heat near the rosette center
lifeHistory monocarpic
management subject to active conservation and monitoring programs
nativeRange Haleakalā crater rim and slopes
notableFeature extreme adaptation to harsh volcanic environments
striking tall flowering stalk
order Asterales
parentTaxon Argyroxiphium sandwicense
pollination insect-pollinated
protectedIn Haleakalā National Park
reproduction by seed
taxonRank subspecies
threat climate change
introduced ungulates
trampling by visitors
typicalElevation above 2,100 meters

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Haleakalā National Park protectsSpecies ʻāhinahina (Haleakalā silversword)
Haleakalā volcano isHabitatFor ʻāhinahina (Haleakalā silversword)
this entity surface form: Haleakalā silversword
Summit District supportsSpecies ʻāhinahina (Haleakalā silversword)
this entity surface form: Haleakalā silversword (Argyroxiphium sandwicense subsp. macrocephalum)
ʻāhinahina (Haleakalā silversword) commonNameOf ʻāhinahina (Haleakalā silversword) self-linksurface differs
this entity surface form: Argyroxiphium sandwicense subsp. macrocephalum