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.

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

Aussehen

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.

ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungGentianalesFamilieApocynaceaeGattungAsclepias

Clasping Milkweed

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

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.

Besondere Fähigkeiten

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

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

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

Maße und Details

Länge: 30-100 cm
Gewicht: 0.1-0.4 kg
Lebenserwartung: 5-15 Jahre

Ernährung und Fütterung

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

Hauptnahrung

Sunlight
Carbon dioxide
Water
Soil nutrients

Nahrungssuche

Photosynthesis

Ökologische Zusammenhänge

host plant

Monarch Butterfly

Danaus plexippus

The caterpillar of this butterfly feeds exclusively on milkweed leaves, sequestering toxins to become poisonous to predators.

eaten by

Red Milkweed Beetle

Tetraopes tetrophthalmus

Adult beetles feed on the foliage and buds, having adapted to tolerate and store the plant's toxic cardiac glycosides.

mutualism

American Bumblebee

Bombus pensylvanicus

These insects are major pollinators of the flowers, collecting nectar while accidentally picking up pollen sacs (pollinia).

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Sicherheit

Gefahr

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Häufig gestellte Fragen

Wie identifiziert man Clasping Milkweed?

Der einfachste Weg, Clasping Milkweed zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Clasping Milkweed?

30-100 cm

Was ist der/die/das gewicht von Clasping Milkweed?

0.1-0.4 kg

Was ist der/die/das lebenserwartung von Clasping Milkweed?

5-15 Jahre

Was frisst Clasping Milkweed?

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

Wo findet man Clasping Milkweed normalerweise?

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

Wie jagt Clasping Milkweed?

Photosynthesis