Bushy St. John'S Wort
探検植物
Bushy St. John'S Wort
hypericum densiflorum
The Bushy St. John's Wort (Hypericum densiflorum) is a delightful, deciduous woody shrub native to the damp soils of the eastern United States. Celebrated for its lush, rounded habit and remarkably dense clusters of star-like yellow flowers, this plant lights up wet meadows and bogs from mid-summer into early autumn. It serves as a vital resource for local pollinators, who are drawn to the sheer abundance of its pollen-rich stamens. Gardeners and restoration ecologists value this resilient shrub for its ability to thrive in poor, waterlogged, and highly acidic soils where other plants struggle. Its tolerance to flooding and attractive form make it an excellent choice for rain gardens, bioswales, and wetland restoration projects, helping to stabilize banks and filter runoff while adding a vibrant splash of color to the landscape.
生息地: Found in damp, acidic soils of wet meadows, bogs, pine flatwoods, and along riparian borders.
外見
This densely branched, rounded shrub typically grows between 50 to 200 centimeters in height. It features narrow, linear to oblong green leaves arranged oppositely along the stems, which turn a warm yellow-brown in the autumn. Older branches exhibit a characteristic peeling, papery bark with a reddish-brown to grayish hue. During its peak bloom, the shrub is covered in tight, flat-topped clusters of small, bright yellow flowers, each measuring about 1 to 1.5 centimeters across. These flowers are distinguished by five distinct petals and an exceptionally bushy center of numerous protruding stamens, giving the entire inflorescence a fuzzy, golden appearance.
界Plantae門Tracheophyta綱Magnoliopsida目Malpighiales科Hypericaceae属Hypericum
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
Like other St. John's Worts, its leaves contain tiny, translucent glands that resemble pinpricks when held up to a light source.
The bushy, fuzzy appearance of the flowers is due to the dozens of long stamens that erupt from the center of each tiny blossom.
The species name 'densiflorum' literally translates to 'densely flowered' in Latin, perfectly describing its packed clusters of golden blossoms.
特殊能力
能力
Hypericin Defense
Produces hypericin, a chemical compound that acts as a natural deterrent against generalist herbivores by causing photosensitivity when ingested.
能力
Flood Adaptation
Possesses specialized root adaptations that allow it to survive prolonged periods of soil saturation and oxygen deprivation in wetland environments.
能力
Pollen Abundance
Develops exceptionally dense arrays of stamens to maximize pollen production, ensuring high rates of pollination by attracting a wide array of insect species.
サイズと詳細
- 長さ
- 50-200 cm
- 寿命
- 10-30 年
食性と食事
As a photoautotrophic plant, it synthesizes its own food using sunlight, water, and carbon dioxide through the process of photosynthesis.
主な食物
- Sunlight
- Water
- Carbon dioxide
- Soil nutrients
生態系とのつながり
mutualism
American Bumblebee
Bombus pensylvanicus
Collects pollen from the abundant blooms during the summer months.
eaten by
Gray Hairstreak
Strymon melinus
Caterpillars feed on the leaves and flowers of the shrub as a host plant.
mutualism
Mycorrhizal Fungi
Glomus intraradices
Forms symbiotic associations in the root zone to enhance water and nutrient uptake.
特徴
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別名
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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
Bushy St. John'S Wortを見分けるには？
Bushy St. John'S Wort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。
Bushy St. John'S Wortの長さは何ですか？
50-200 cm
Bushy St. John'S Wortの寿命は何ですか？
10-30 年
Bushy St. John'S Wortは何を食べますか？
As a photoautotrophic plant, it synthesizes its own food using sunlight, water, and carbon dioxide through the process of photosynthesis.
Bushy St. John'S Wortは通常どこに生息していますか？
Found in damp, acidic soils of wet meadows, bogs, pine flatwoods, and along riparian borders.
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