Purple Milkweed
探検植物
Purple Milkweed
asclepias purpurascens
Purple Milkweed (Asclepias purpurascens) is an elegant, herbaceous perennial native to the eastern and central United States and parts of Canada. Renowned for its stunning, deep rose-purple flower clusters, this plant is a highly sought-after species for native plant gardeners and wildlife enthusiasts alike. Unlike its highly aggressive relative, the Common Milkweed, Purple Milkweed grows in well-behaved clumps and is far more selective about its habitat. It plays an essential role in supporting local ecosystems, particularly as a vital nectar source for native bumblebees, butterflies, and hummingbirds. Its milky, latex-filled sap contains defensive cardenolides, which render the plant toxic to most herbivores while providing chemical protection to specialized insects that feed on it.
生息地: Typically found in semi-shaded habitats such as open oak woodlands, thickets, forest margins, and sandy savannas.
外見
This robust plant stands between 60 to 100 cm tall, featuring thick, opposite, ovate-oblong leaves with short petioles and fine hairs on their undersides. The most distinctive feature is the dense, dome-shaped clusters (umbels) of intense magenta to deep purple flowers blooming from late spring to mid-summer. Unlike the bumpy seed pods of Common Milkweed, the pods (follicles) of the Purple Milkweed are smooth and downy, eventually splitting to release dark brown seeds equipped with silky white fibers that catch the wind.
界Plantae門Tracheophyta綱Magnoliopsida目Gentianales科Apocynaceae属Asclepias
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
Its specific scientific name, 'purpurascens', is Latin for 'becoming purple', referencing its transition to magnificent violet blooms.
The silky seed floss was collected by schoolchildren during World War II to stuff military lifejackets because of its superior buoyancy and insulating properties.
Unlike the common milkweed, which aggressively spreads through deep underground runners, Purple Milkweed grows in polite, non-invasive clumps.
特殊能力
能力
Toxic Chemical Defense
Produces a white, sticky latex sap containing cardenolides (cardiac glycosides) that are toxic to most herbivores.
能力
Pollinia Clamping Mechanism
Flowers use specialized, sticky pollen sacs called pollinia that temporarily clamp onto visiting insects' legs to ensure highly efficient cross-pollination.
能力
Wind-Assisted Seed Dispersal
Each seed is equipped with a tuft of lightweight, silky hairs (coma) designed to catch drafts and float long distances away from the parent plant.
サイズと詳細
- 長さ
- 60-100 cm
- 寿命
- 5-20 年
食性と食事
As a photosynthetic plant, it synthesizes its own sugars using sunlight, water, carbon dioxide, and essential soil macronutrients.
主な食物
- Sunlight
- Water
- Carbon Dioxide
- Nitrogen
- Phosphorus
- Potassium
生態系とのつながり
host plant
Monarch Butterfly
Danaus plexippus
Provides critical larval food and chemical protection for caterpillars.
mutualism
Eastern Bumblebee
Bombus impatiens
Relies heavily on long-tongued bees for pollination in exchange for rich nectar.
eaten by
Milkweed Tussock Moth
Euchaetes egle
Voracious caterpillars defoliate leaves while tolerating the plant's chemical defenses.
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
Purple Milkweedを見分けるには？
Purple Milkweed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。
Purple Milkweedの長さは何ですか？
60-100 cm
Purple Milkweedの寿命は何ですか？
5-20 年
Purple Milkweedは何を食べますか？
As a photosynthetic plant, it synthesizes its own sugars using sunlight, water, carbon dioxide, and essential soil macronutrients.
Purple Milkweedは通常どこに生息していますか？
Typically found in semi-shaded habitats such as open oak woodlands, thickets, forest margins, and sandy savannas.
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