
Satin Lupine
lupinus obtusilobus
The Satin Lupine, scientifically known as Lupinus obtusilobus, is a beautiful and ecologically significant perennial herb native to western North America. This species is a vibrant component of montane and subalpine ecosystems, adorning open slopes and meadows with its striking flower spikes. Beyond its aesthetic appeal, the Satin Lupine plays a crucial role in its habitat as a nitrogen-fixing plant, enriching the soil and supporting other plant life in often nutrient-poor environments. Its resilience and unique adaptations make it a fascinating subject for nature enthusiasts and a vital part of its alpine and subalpine communities. It exemplifies the intricate balance and beauty of high-altitude flora.
生息地: Typically found in well-drained, often rocky or sandy soils of montane and subalpine meadows, open slopes, and forest clearings.
外見
Satin Lupine typically grows as an erect to sprawling perennial herb, reaching heights of 10 to 60 centimeters. Its most striking feature is its dense racemes of showy, pea-like flowers, which are usually a vibrant blue to purple, though sometimes pinkish or whitish. The leaves are palmate, composed of 5 to 9 leaflets, and often covered in fine, silky hairs, giving them a distinctive silvery or 'satin' sheen. The stems are usually robust and can be leafy, contributing to its bushy 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
Belongs to the legume family (Fabaceae), known for its ability to enrich soil through nitrogen fixation, making it a pioneer species in disturbed areas.
Its seeds are dispersed explosively when the mature pods dry and split open, flinging them several feet away from the parent plant.
Satin Lupine contains alkaloids that make it toxic to livestock if consumed in large quantities, serving as a natural defense mechanism against herbivores.
The name 'Lupinus' is derived from the Latin word 'lupus' meaning wolf, possibly due to a historical misconception that lupines 'wolfed' nutrients from the soil, when they actually improve it.
特殊能力
Nitrogen Fixation
Through a symbiotic relationship with Rhizobium bacteria in its root nodules, Satin Lupine converts atmospheric nitrogen into a usable form for itself and enriches the surrounding soil, a crucial process in nutrient-limited environments.
Alkaloid Production
The plant produces a variety of alkaloids, which are chemical compounds that deter many herbivores from grazing on its leaves and seeds, providing a natural defense mechanism.
Drought Tolerance
Satin Lupine possesses a deep taproot system, allowing it to access water from deeper soil layers and enabling it to thrive in arid and semi-arid conditions common in its high-altitude habitats.
サイズと詳細
- 長さ
- 10-60 cm
- 体重
- 0.05-0.5 kg
- 寿命
- 3-10 年
食性と食事
As an autotrophic plant, Satin Lupine produces its own food through photosynthesis, converting sunlight, carbon dioxide, and water into energy. It also absorbs essential nutrients and water from the soil, supplemented by fixed nitrogen.
主な食物
- Sunlight
- Carbon Dioxide
- Water
- Nitrogen (fixed)
- Minerals from soil
採餌方法
- Photosynthesis And Nutrient Absorption
生態系とのつながり
Bumble Bee
Bombus spp.
Pollination for reproduction, contributing to the plant's reproductive success.
Mule Deer
Odocoileus hemionus
Herbivory, consumption of leaves and stems by grazing animals.
Rhizobium Bacteria
Rhizobium spp.
Symbiotic nitrogen fixation in root nodules, essential for nutrient cycling.
Lupine Blue Butterfly
Lycaeides lupini
Herbivory, larvae feed on lupine plant parts.
特徴
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別名
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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
Satin Lupineを見分けるには?
Satin Lupine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。
Satin Lupineの長さは何ですか?
10-60 cm
Satin Lupineの体重は何ですか?
0.05-0.5 kg
Satin Lupineの寿命は何ですか?
3-10 年
Satin Lupineは何を食べますか?
As an autotrophic plant, Satin Lupine produces its own food through photosynthesis, converting sunlight, carbon dioxide, and water into energy. It also absorbs essential nutrients and water from the soil, supplemented by fixed nitrogen.
Satin Lupineは通常どこに生息していますか?
Typically found in well-drained, often rocky or sandy soils of montane and subalpine meadows, open slopes, and forest clearings.
Satin Lupineはどのように狩りをしますか?
Photosynthesis And Nutrient Absorption
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