Alpine Yellow Fleabane
EntdeckenPflanzen
Alpine Yellow Fleabane
erigeron aureus
The Alpine Yellow Fleabane (Erigeron aureus) is a delightful, low-growing perennial herb that brings a splash of brilliant gold to the stark, windswept landscapes of northwestern North America's high mountain ranges. Thriving in alpine and subalpine zones, this resilient little plant clings to rocky crevices, talus slopes, and gravelly ridges where few other species can survive. It is celebrated by hikers and botanists alike for its cheerful, daisy-like appearance, which stands in stark contrast to the rugged alpine terrain. As a true high-altitude specialist, Erigeron aureus has evolved to withstand extreme cold, intense ultraviolet radiation, and drying winds, making it a rugged survivor of the peaks.
Lebensraum: Found on rocky ridges, scree slopes, and alpine meadows at high elevations, typically near or above the treeline.
Aussehen
This species is easily recognized by its bright golden-yellow flower heads, which measure about 1.5 to 2.5 centimeters across. Unlike most other fleabanes, which have white or violet ray florets, the Alpine Yellow Fleabane features brilliant yellow petals surrounding a darker orange-yellow central disc. The plant is diminutive, reaching only 5 to 15 centimeters in height. Its spatula-shaped leaves are densely covered in fine, white, woolly hairs, giving the foliage a soft, greyish-green appearance.
ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungAsteralesFamilieAsteraceaeGattungErigeron
Kategorie
PflanzenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
Mach den ersten Snap!
Interessante Fakten
Despite its common name 'fleabane,' there is no scientific evidence that this plant can actually repel fleas.
It is one of the very few Erigeron species with bright yellow flowers, as most others are white, pink, or light violet.
The plant's deep taproot allows it to anchor firmly into shifting gravelly scree slopes and access deep water reserves.
Besondere Fähigkeiten
Fähigkeit
Woolly Insulation
Dense, fine white hairs coat the leaves and stems, acting as insulation against freezing alpine temperatures and reducing water loss from drying winds.
Fähigkeit
Compact Growth Habit
Forms a low-lying, ground-hugging rosette that minimizes exposure to wind and traps a micro-layer of warm air close to the soil.
Fähigkeit
UV Protection
Synthesizes specialized protective pigments and reflects intense high-altitude solar radiation using its reflective leaf hairs.
Maße und Details
- Länge
- 5-15 cm
- Lebenserwartung
- 3-10 Jahre
Ernährung und Fütterung
As a plant, it creates its own energy from sunlight, water, carbon dioxide, and essential nutrients absorbed from rocky alpine soils.
Hauptnahrung
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
mutualism
Forest Bumblebee
Bombus sylvicola
Pollinated by high-altitude bees seeking nectar during the brief summer flowering window.
eaten by
Hoary Marmot
Marmota caligata
Leaves and stems may be occasionally grazed by alpine rodents looking for green vegetation.
Merkmale
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Auch bekannt als
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Sammlungen
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Sicherheit
Gefahr
1/5 · Sehr gering
Noch keine besonderen Sicherheitshinweise.
Häufig gestellte Fragen
Wie identifiziert man Alpine Yellow Fleabane?
Der einfachste Weg, Alpine Yellow Fleabane zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Alpine Yellow Fleabane?
5-15 cm
Was ist der/die/das lebenserwartung von Alpine Yellow Fleabane?
3-10 Jahre
Was frisst Alpine Yellow Fleabane?
As a plant, it creates its own energy from sunlight, water, carbon dioxide, and essential nutrients absorbed from rocky alpine soils.
Wo findet man Alpine Yellow Fleabane normalerweise?
Found on rocky ridges, scree slopes, and alpine meadows at high elevations, typically near or above the treeline.
Wie jagt Alpine Yellow Fleabane?
Foraging
Snap-Karte
Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.
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Neueste Snaps
Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.
