Rusty-Leaved Alpenrose

rhododendron ferrugineum

The Rusty-Leaved Alpenrose is an iconic evergreen shrub native to the high-altitude regions of the European Alps, Pyrenees, Jura, and northern Apennines. Renowned for its spectacular summer display, this hardy alpine specialist blankets slopes in vibrant pink to deep-red blossoms, transforming rugged mountainsides into colorful gardens. It serves a vital ecological role by stabilizing alpine soils and providing cover for high-altitude wildlife, though its foliage remains untouched by most grazers due to toxic compounds. Its persistent nature and stunning flowers have earned it a legendary status in European mountain folklore and alpine culture.

Lebensraum: Found on acidic, nutrient-poor soils in subalpine and alpine dwarf-shrub heaths, open coniferous forests, and rocky mountain slopes.

Aussehen

A low-growing, heavily branched shrub reaching heights of 30 to 100 cm, featuring leathery, dark-green elliptical leaves that are glossy on top and densely covered with rust-colored scales underneath. In early to mid-summer, it erupts with compact clusters of bell-shaped, bright rose-pink flowers, each with prominent stamens.

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Rusty-Leaved Alpenrose

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

All parts of the Rusty-Leaved Alpenrose contain grayanotoxins, making the plant and even honey made from its nectar highly toxic.

It is one of the classic symbolic flowers of the Alps, frequently celebrated in traditional alpine songs and folklore as a representation of resilience.

The rusty coloration on the leaf undersides is not dirt, but rather thousands of tiny protective glandular scales.

Besondere Fähigkeiten

Dense glandular scales on the leaf undersides protect against water loss and shield the plant from harsh, high-altitude ultraviolet radiation.

Forms complex symbiotic relationships with ericoid mycorrhizal fungi, allowing it to absorb nutrients from extremely acidic and nutrient-deficient mountain soils.

Produces grayanotoxins in its tissues to deter herbivores and protect itself from grazing alpine livestock.

Maße und Details

Länge: 30-100 cm
Lebenserwartung: 50-100 Jahre

Ernährung und Fütterung

As a photoautotrophic plant, it produces its own nutrients using sunlight, carbon dioxide, and water through photosynthesis, supplemented by soil minerals via fungal symbiosis.

Hauptnahrung

Sunlight
Water
Carbon Dioxide
Soil Minerals

Ökologische Zusammenhänge

mutualism

Buff-tailed Bumblebee

Bombus terrestris

Pollination partner that visits the flowers for nectar during the short alpine summer.

parasite

Spruce-Cone Rust

Chrysomyxa rhododendri

A parasitic rust fungus that infects the leaves of the Alpenrose, completing its complex life cycle between this plant and spruce trees.

host plant

Water Pipit

Anthus spinoletta

A high-altitude bird species that utilizes Alpenrose thickets for shelter and nesting sites.

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Sicherheit

Gefahr

1/5 · Sehr gering

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Häufig gestellte Fragen

Wie identifiziert man Rusty-Leaved Alpenrose?

Der einfachste Weg, Rusty-Leaved Alpenrose zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Rusty-Leaved Alpenrose?

30-100 cm

Was ist der/die/das lebenserwartung von Rusty-Leaved Alpenrose?

50-100 Jahre

Was frisst Rusty-Leaved Alpenrose?

As a photoautotrophic plant, it produces its own nutrients using sunlight, carbon dioxide, and water through photosynthesis, supplemented by soil minerals via fungal symbiosis.

Wo findet man Rusty-Leaved Alpenrose normalerweise?

Found on acidic, nutrient-poor soils in subalpine and alpine dwarf-shrub heaths, open coniferous forests, and rocky mountain slopes.