Desert Sunflower

geraea canescens

The Desert Sunflower (Geraea canescens), also known as desert gold, is an annual wildflower native to the extremely arid environments of southwestern North America. In years with high winter rainfall, this resilient plant undergoes spectacular mass bloomings, transforming barren, gravelly desert soils into vibrant, endless fields of bright yellow. Belonging to the Asteraceae (sunflower) family, it serves as a critical ephemeral resource in desert ecosystems, providing nectar for native bees and abundant seeds for desert-dwelling birds and rodents.

Lebensraum: Found in sandy desert soils, gravelly flats, and desert washes throughout the Mojave and Sonoran deserts.

Aussehen

This annual herb grows up to 100 cm in height, with slender, branching stems densely covered in stiff, white hairs. The bright yellow flower heads are 3 to 5 cm in diameter, featuring a central disc of yellow disc florets surrounded by 10 to 21 distinct, notched ray petals. Its gray-green leaves are lance-shaped, rough-textured, and deeply veined, clustered mostly near the lower portion of the hairy stems.

ReichPlantaeStammTracheophytaKlasseMagnoliopsidaOrdnungAsteralesFamilieAsteraceaeGattungGeraea

Desert Sunflower

Kategorie

Pflanzen

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

During highly anticipated desert 'superblooms', Desert Sunflowers can cover entire valley floors in gold, creating patterns visible from space.

The desert Cahuilla people traditionally collected the plant's oil-rich seeds, grinding them into a fine meal or paste for consumption.

The genus name 'Geraea' comes from the Greek word 'geraios', meaning 'old man', which refers to the white, hoary hairs on the plant's seeds and stems.

Besondere Fähigkeiten

Densely covered in white, hoary hairs that trap moisture, reduce wind-flow over stomata, and reflect harsh sunlight to prevent transpiration.

Germinates quickly after rare winter rains, rapid-blooming and seeding before the extreme, lethal summer heat begins.

Young flower buds track the path of the sun across the sky to maximize solar absorption and accelerate growth.

Maße und Details

Länge: 10-100 cm
Gewicht: 0.05-0.5 kg
Lebenserwartung: 1 Jahre

Ernährung und Fütterung

As a photosynthetic plant, it synthesizes its own energy from sunlight, water, and carbon dioxide while extracting inorganic nutrients from dry, sandy soils.

Hauptnahrung

Sunlight
Water
Carbon dioxide
Nitrogen
Phosphorus

Nahrungssuche

Photosynthesis

Ökologische Zusammenhänge

eaten by

Desert Kangaroo Rat

Dipodomys deserti

Feeds on the oily seeds, caching them in burrows as a primary food source.

eaten by

Desert Tortoise

Gopherus agassizii

Consumes the blossoms and nutrient-dense leaves as a valuable water source in spring.

mutualism

Sunflower Chimney Bee

Diadasia enavata

Visits the vibrant flower heads to gather nectar, acting as a key pollinator.

Merkmale

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Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Desert Sunflower?

Der einfachste Weg, Desert Sunflower zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Desert Sunflower?

10-100 cm

Was ist der/die/das gewicht von Desert Sunflower?

0.05-0.5 kg

Was ist der/die/das lebenserwartung von Desert Sunflower?

1 Jahre

Was frisst Desert Sunflower?

As a photosynthetic plant, it synthesizes its own energy from sunlight, water, and carbon dioxide while extracting inorganic nutrients from dry, sandy soils.

Wo findet man Desert Sunflower normalerweise?

Found in sandy desert soils, gravelly flats, and desert washes throughout the Mojave and Sonoran deserts.

Wie jagt Desert Sunflower?

Photosynthesis