Austrian Whitlow-Grass
探検植物
Austrian Whitlow-Grass
draba dubia
The Austrian Whitlow-Grass (Draba dubia) is a resilient, low-growing alpine perennial that thrives where few other plants dare to venture. Clinging to rocky crevices, scree slopes, and windswept mountain ridges across Europe's high-altitude ranges, this diminutive member of the mustard family showcases the incredible endurance of alpine flora. Despite the harsh climates, it bursts into delicate blooms during the brief alpine summer, providing crucial resources for high-altitude pollinators. Adapted to freezing temperatures, intense UV radiation, and nutrient-poor soils, Austrian Whitlow-Grass forms compact, ground-hugging cushions or rosettes. This growth form protects it from biting mountain winds and helps trap heat close to the ground, demonstrating how miniature scale can be an evolutionary superpower in extreme environments.
生息地: Found primarily in rocky subalpine and alpine zones, colonizing limestone crevices, gravelly scree, and windswept mountain ridges.
外見
This petite perennial typically reaches heights of only 5 to 15 centimeters, forming a neat basal rosette of grayish-green, spoon-shaped leaves. These leaves are covered in a dense coat of fine, star-shaped (stellate) hairs, giving the foliage a slightly frosty or woolly appearance that helps retain moisture. During late spring and summer, slender, leafless stems arise from the rosette, topped by small clusters of four-petaled white flowers. Following pollination, the plant develops distinctive, flattened, lance-shaped seed pods called siliques, which twist slightly as they mature.
界Plantae門Tracheophyta綱Magnoliopsida目Brassicales科Brassicaceae属Draba
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 fragile appearance, this plant can survive temperatures far below freezing even during its active flowering phase.
Its seeds are adapted to be dispersed by mountain winds, but also by water washing down steep alpine slopes.
The common name Whitlow-Grass comes from a traditional herbal belief that species in the Draba genus could cure whitlows, which are painful infections of the fingernail.
特殊能力
能力
Stellate Hair Shield
Dense, star-shaped hairs on its leaves trap a boundary layer of air to reduce water loss from wind and reflect harsh high-altitude UV radiation.
能力
Freeze Tolerant Sap
Accumulates soluble sugars and protective proteins in its cells to prevent ice crystal damage during sudden mountain frosts.
能力
Chasmophytic Rooting
Features a strong, penetrating taproot system capable of anchoring securely in tiny rock crevices to extract scarce moisture and nutrients.
サイズと詳細
- 長さ
- 5-15 cm
- 寿命
- 3-10 年
食性と食事
As a photoautotroph, the Austrian Whitlow-Grass produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and soil minerals.
主な食物
- Sunlight
- Carbon Dioxide
- Water
- Soil Minerals
採餌方法
- Photosynthesis
生態系とのつながり
mutualism
Alpine Bumblebee
Bombus alpinus
Pollinated by alpine insects seeking nectar in the early summer.
eaten by
Chamois
Rupicapra rupicapra
Foraged upon by high-altitude grazing herbivores.
host plant
Peak White Butterfly
Pontia callidice
Larvae feed on the leaves of various alpine brassicas.
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
Austrian Whitlow-Grassを見分けるには？
Austrian Whitlow-Grass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。
Austrian Whitlow-Grassの長さは何ですか？
5-15 cm
Austrian Whitlow-Grassの寿命は何ですか？
3-10 年
Austrian Whitlow-Grassは何を食べますか？
As a photoautotroph, the Austrian Whitlow-Grass produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and soil minerals.
Austrian Whitlow-Grassは通常どこに生息していますか？
Found primarily in rocky subalpine and alpine zones, colonizing limestone crevices, gravelly scree, and windswept mountain ridges.
Austrian Whitlow-Grassはどのように狩りをしますか？
Photosynthesis
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