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Clasping Milkweed

asclepias amplexicaulis

Clasping Milkweed (Asclepias amplexicaulis) is an enchanting, perennial wildflower native to the eastern and central regions of North America. Renowned for its unique structural elegance, this plant stands out among the milkweeds due to its distinctive leaves, which clasp the stout, solitary stem directly without any leaf stalks. It thrives in dry, nutrient-poor sandy soils where many other plants struggle, such as pine barrens, sand dunes, and open woodlands. Beyond its architectural beauty, Clasping Milkweed plays a crucial role in local ecosystems by offering high-quality nectar to a wide variety of native pollinators, including bumblebees and butterflies. It serves as a vital larval host plant for the iconic Monarch butterfly, which relies on the plant's chemical defenses to protect its offspring from predators. For nature enthusiasts, spotting this plant's delicate, spherical cluster of pinkish-purple flowers in a sandy clearing is a rewarding highlight of the late spring and early summer seasons. Take the ultimate field guide with you and identify Clasping Milkweed using the Snappit app.

Habitat: Found in dry, open habitats with sandy or gravelly soils, such as pine barrens, oak savannas, old fields, and coastal sand dunes.

Appearance

This perennial herb typically grows 30 to 100 cm tall from a single, unbranched, glaucous stem. It is easily identified by its opposite, oblong-to-ovate leaves that are highly wavy along the margins, have prominent pinkish-red veins, and clasp the stem tightly at their bases. The leaves have a distinctly pale, bluish-green hue. In late spring, a single, globose cluster of 10 to 40 flowers blooms at the very top of the stem. The individual flowers have reflexed, greenish-purple petals and pale pinkish-to-rose crowns, giving the entire inflorescence a striking, dusty-rose coloration.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderGentianalesFamilyApocynaceaeGenusAsclepias
Clasping Milkweed
Clasping Milkweed

Category

Plants

Rarity

Common

Danger

1/5 ยท Very low

Snaps

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Interesting facts

The seeds are attached to silky white floss, which was gathered during World War II by children in North America to fill military life preservers.

The species name 'amplexicaulis' translates directly from Latin as 'clasping the stem,' highlighting the plant's most identifying feature.

Unlike most other native milkweeds that feature multiple flower clusters along the stem, Clasping Milkweed almost always produces just a single, terminal flower ball.

Special abilities

Ability

Chemical Shield

Produces toxic cardiac glycosides within its milky white sap, making it highly unpalatable and poisonous to most herbivorous insects and mammals.

Ability

Drought Resistance

Utilizes a deep, woody taproot system and a waxy, glaucous coating on its leaves to reduce water loss and survive in arid, sandy soils.

Ability

Stem Clasping Base

The stalkless, clasping leaves act as natural funnels that direct morning dew and rainwater straight down the stem to the root system.

Measurements & details

Length
30-100 cm
Weight
0.1-0.4 kg
Lifespan
5-15 years

Diet & Feeding

As a photosynthetic plant, it manufactures its own organic compounds from sunlight, carbon dioxide, and water while absorbing minerals through its root system.

Primary Foods

  • Sunlight
  • Carbon dioxide
  • Water
  • Soil nutrients

Foraging Method

  • Photosynthesis

Ecological connections

Traits

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Also known as

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Safety

Danger

1/5 ยท Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Clasping Milkweed?

The easiest way to identify Clasping Milkweed is to use the Snappit nature identifier app.

How long is Clasping Milkweed?

30-100 cm

How much does Clasping Milkweed weigh?

0.1-0.4 kg

How long does Clasping Milkweed live?

5-15 years

What does Clasping Milkweed eat?

As a photosynthetic plant, it manufactures its own organic compounds from sunlight, carbon dioxide, and water while absorbing minerals through its root system.

Where is Clasping Milkweed usually found?

Found in dry, open habitats with sandy or gravelly soils, such as pine barrens, oak savannas, old fields, and coastal sand dunes.

How does Clasping Milkweed hunt?

Photosynthesis

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