
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.
生息地: Found on rocky ridges, scree slopes, and alpine meadows at high elevations, typically near or above the treeline.
外見
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.

カテゴリ
植物レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
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.
特殊能力
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.
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.
UV Protection
Synthesizes specialized protective pigments and reflects intense high-altitude solar radiation using its reflective leaf hairs.
サイズと詳細
- 長さ
- 5-15 cm
- 寿命
- 3-10 年
食性と食事
As a plant, it creates its own energy from sunlight, water, carbon dioxide, and essential nutrients absorbed from rocky alpine soils.
主な食物
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
採餌方法
- Foraging
生態系とのつながり
Forest Bumblebee
Bombus sylvicola
Pollinated by high-altitude bees seeking nectar during the brief summer flowering window.
Hoary Marmot
Marmota caligata
Leaves and stems may be occasionally grazed by alpine rodents looking for green vegetation.
特徴
このオブジェクトにはまだ特徴バッジが割り当てられていません。
別名
まだ別名はありません。
コレクション
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安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Alpine Yellow Fleabaneを見分けるには?
Alpine Yellow Fleabaneを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Alpine Yellow Fleabaneの長さは何ですか?
5-15 cm
Alpine Yellow Fleabaneの寿命は何ですか?
3-10 年
Alpine Yellow Fleabaneは何を食べますか?
As a plant, it creates its own energy from sunlight, water, carbon dioxide, and essential nutrients absorbed from rocky alpine soils.
Alpine Yellow Fleabaneは通常どこに生息していますか?
Found on rocky ridges, scree slopes, and alpine meadows at high elevations, typically near or above the treeline.
Alpine Yellow Fleabaneはどのように狩りをしますか?
Foraging
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