Alpine Sunflower
探検植物
Alpine Sunflower
hymenoxys grandiflora
The Alpine Sunflower, also known as 'Old-Man-of-the-Mountain,' is an iconic and remarkably resilient wildflower native to the high-altitude tundras of North America's Rocky Mountains. Living in one of the harshest environments on Earth, this slow-growing perennial spends several years accumulating nutrients in a harsh, cold climate before producing a single, spectacularly large yellow bloom. This plant is celebrated by hikers and botanists alike for its cheerful appearance amidst barren rocky slopes and its fascinating adaptation of always facing eastward to catch the first warming rays of the morning sun.
生息地: Found on gravelly alpine tundras, rocky ridges, and talus slopes high above the treeline.
外見
This low-growing wildflower features a single, disproportionately large daisy-like flower head measuring up to 8 centimeters across, boasting bright golden-yellow ray petals and a darker yellow central disc. The short, sturdy stem and deeply divided, lobed leaves are densely covered in thick, white, woolly hairs that give the plant a silvery-green or fuzzy appearance. It typically grows close to the ground, reaching heights of only 8 to 30 centimeters to avoid the punishing alpine winds.
界Plantae門Tracheophyta綱Magnoliopsida目Asterales科Asteraceae属Hymenoxys
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
Because the flower heads always face east, lost hikers in the Rocky Mountains can actually use them as a natural compass.
Its fuzzy, bearded look earned it the popular local nickname 'Old-Man-of-the-Mountain' among mountaineers.
The plant is monocarpic, meaning it grows for up to 10 years, flowers just once, and then dies immediately after setting its seeds.
特殊能力
能力
East-Facing Heliotropism
The developing flower buds track the sun, but upon opening, they permanently face east to capture the morning sun, maximizing warmth to attract chilled alpine pollinators.
能力
Woolly Thermoregulation
Dense, felt-like white hairs cover the stems and leaves, creating a micro-boundary layer that insulates the plant from freezing temperatures and blocks intense UV radiation.
能力
Monocarpic Life Strategy
The plant conserves energy for up to a decade in a harsh climate to produce a single massive, successful reproductive event before dying.
サイズと詳細
- 長さ
- 8+ cm
- 体重
- 0.005+ kg
- 寿命
- 5+ 年
食性と食事
The Alpine Sunflower is a photosynthetic organism that generates its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
主な食物
- Sunlight
- Water
- Carbon Dioxide
- Soil Nutrients
生態系とのつながり
mutualism
Golden-belted Bumblebee
Bombus balteatus
Relies heavily on high-altitude bumblebees for pollination to successfully fertilize its seeds during its single blooming season.
eaten by
American Pika
Ochotona princeps
Leaves and flowers are collected, dried, and stored in haypiles as a vital winter food source by small alpine mammals.
competitor
Moss Campion
Silene acaulis
Competes for limited soil moisture, nutrients, and space with other low-growing alpine plants in gravelly soils.
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 Sunflowerを見分けるには？
Alpine Sunflower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 Sunflowerの長さは何ですか？
8+ cm
Alpine Sunflowerの体重は何ですか？
0.005+ kg
Alpine Sunflowerの寿命は何ですか？
5+ 年
Alpine Sunflowerは何を食べますか？
The Alpine Sunflower is a photosynthetic organism that generates its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
Alpine Sunflowerは通常どこに生息していますか？
Found on gravelly alpine tundras, rocky ridges, and talus slopes high above the treeline.
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