Largeflower Milkweed

asclepias connivens

Largeflower Milkweed (Asclepias connivens) is a fascinating perennial wildflower native to the damp, acidic soils of the southeastern United States. Standing out among the milkweed family, this species is named for its relatively large, uniquely structured flowers that form a crucial component of wet pine flatwood and savanna ecosystems. Unlike many of its cousins with sprawling floral clusters, it produces a more compact head of nodding, star-like blooms. As an essential member of the local flora, it plays a vital role in supporting specialized native pollinators and serves as a critical food source for various insect species. Its preference for pristine, undisturbed wetlands makes it a prized find for botanical enthusiasts exploring the southeastern coastal plains.

生息地: Found in wet pine flatwoods, savannas, and acidic pitcher plant bogs across the southeastern United States.

外見

This herbaceous plant typically grows between 40 to 100 cm tall, featuring simple, upright stems with opposite, lance-shaped leaves that clasp directly to the stem. The most distinguishing feature is the cluster of 5 to 15 large, pale green to creamy-yellow flowers, often tinged with purple. Unlike other milkweeds, the floral hoods lean inward and touch at their tips (connivent), creating a distinct closed-conical shape in the center of the bloom. When broken, the stems and leaves exude a thick, sticky white latex sap characteristic of the genus.

界Plantae門Tracheophyta綱Magnoliopsida目Gentianales科Apocynaceae属Asclepias

Largeflower Milkweed

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

The Latin species name 'connivens' translates to 'converging' or 'winking', referring to the unique way the flower hoods bend inward to touch at the top.

The toxic cardenolides inside the plant's sap can cause cardiac arrest in vertebrate predators, yet specialized insects use it as a defense mechanism.

Unlike common milkweeds which have dozens of small flowers in a sphere, the Largeflower Milkweed has fewer but significantly larger individual flowers.

特殊能力

The floral hoods curve inward and press together at the tips, protecting the delicate pollen structures from rain while restricting access to specific strong-bodied pollinators.

When damaged, the plant exudes a sticky, white latex sap filled with toxic cardenolides, which deters generalist herbivores while serving as a chemical shield for specialist insects.

Adapted to waterlogged, nutrient-poor soils, its specialized root system can survive seasonal flooding and low-oxygen conditions common in southern wet flatwoods.

サイズと詳細

長さ: 40-100 cm
寿命: 3-10 年

食性と食事

As a photoautotrophic plant, the Largeflower Milkweed manufactures its own energy using sunlight, water, and carbon dioxide through the process of photosynthesis.

主な食物

Sunlight
Water
Carbon Dioxide
Soil Minerals

生態系とのつながり

host plant

Monarch Butterfly

Danaus plexippus

Monarch caterpillars feed exclusively on milkweed leaves, utilizing the toxic cardenolides for their own defense against predators.

host plant

Queen Butterfly

Danaus gilippus

Another specialist butterfly whose larvae rely on this milkweed for both nourishment and chemical defense.

eaten by

Large Milkweed Bug

Oncopeltus fasciatus

Feeds on the seeds, flowers, and sap of the plant, absorbing its toxins to ward off predators.

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

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

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

Largeflower Milkweedを見分けるには？

Largeflower 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。

Largeflower Milkweedの長さは何ですか？

40-100 cm

Largeflower Milkweedの寿命は何ですか？

3-10 年

Largeflower Milkweedは何を食べますか？

As a photoautotrophic plant, the Largeflower Milkweed manufactures its own energy using sunlight, water, and carbon dioxide through the process of photosynthesis.

Largeflower Milkweedは通常どこに生息していますか？

Found in wet pine flatwoods, savannas, and acidic pitcher plant bogs across the southeastern United States.