Pyrenean Thistle

carduus carlinoides

The Pyrenean Thistle (Carduus carlinoides) is a resilient, low-growing perennial plant native to the high-altitude rocky screes and alpine grasslands of the Pyrenees and northwestern Spain. Clinging to challenging terrain where few other species can survive, this hardy thistle plays a critical role in stabilizing loose alpine soils and providing vital nourishment to high-altitude pollinators. Its distinctive look, featuring a rosette of deeply cut, spiny leaves and clusters of bright purple-pink flower heads, makes it a striking sight for hikers brave enough to explore the high peaks. Despite its formidable prickly defense, it is a key component of the fragile alpine ecosystem, perfectly adapted to withstand intense winds, cold temperatures, and strong ultraviolet radiation typical of its mountain home.

Lebensraum: Found in high-altitude alpine grasslands, rocky screes, and gravelly slopes of the Pyrenees, typically at elevations between 1,500 and 3,000 meters.

Aussehen

This low-lying herbaceous perennial typically grows to a height of 10 to 40 cm. It features a basal rosette of highly dissected, grayish-green leaves adorned with sharp, yellow-tipped spines and covered in a fine web-like down. The flowers are clustered at the ends of short, cobwebby stems, presenting as compact, fluffy heads of vibrant pinkish-purple florets surrounded by spiny, purplish bracts.

ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungAsteralesFamilieAsteraceaeGattungCarduus

Pyrenean Thistle

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

Despite its prickly appearance, the Pyrenean Thistle belongs to the Asteraceae family, making it a close relative of sunflowers and daisies.

Its dense web of woolly hairs acts like a natural greenhouse, trapping a layer of warm air close to the plant's surface to survive freezing mountain nights.

The species name 'carlinoides' references its resemblance to the Carline Thistle (genus Carlina), another alpine plant group.

Besondere Fähigkeiten

The plant's stems and leaves are covered in dense, white woolly hairs that trap heat, reduce water loss, and protect tissues from intense high-altitude UV radiation.

Sharp, rigid spines line the margins of its deeply lobed leaves, deterring grazing alpine herbivores like chamois and marmots.

A strong taproot system allows the thistle to anchor securely in loose, shifting rocky screes and access deep water reserves during dry alpine summers.

Ernährung und Fütterung

As a photoautotrophic plant, the Pyrenean Thistle produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water while absorbing minerals from mountain soils.

Hauptnahrung

Sunlight
Carbon dioxide
Water
Soil minerals

Ökologische Zusammenhänge

mutualism

Alpine Bumblebee

Bombus alpinus

Pollinates the thistle flowers while feeding on nectar and pollen in high-altitude environments.

eaten by

Pyrenean Chamois

Rupicapra pyrenaica

Occasionally grazes on the plant, despite its protective sharp spines.

host plant

Painted Lady

Vanessa cardui

Lays eggs on the leaves, which serve as food for the caterpillars.

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Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Pyrenean Thistle?

Der einfachste Weg, Pyrenean Thistle zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was frisst Pyrenean Thistle?

As a photoautotrophic plant, the Pyrenean Thistle produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water while absorbing minerals from mountain soils.

Wo findet man Pyrenean Thistle normalerweise?

Found in high-altitude alpine grasslands, rocky screes, and gravelly slopes of the Pyrenees, typically at elevations between 1,500 and 3,000 meters.