Alpine Sunflower
ExplorarPlantas
Alpine Sunflower
hymenoxys grandiflora
The Alpine Sunflower, also known as 'Old-Man-of-the-Mountain,' is an iconic and remarkably resilient wildflower native to the high-altitude tundras of North America's Rocky Mountains. Living in one of the harshest environments on Earth, this slow-growing perennial spends several years accumulating nutrients in a harsh, cold climate before producing a single, spectacularly large yellow bloom. This plant is celebrated by hikers and botanists alike for its cheerful appearance amidst barren rocky slopes and its fascinating adaptation of always facing eastward to catch the first warming rays of the morning sun.
Hábitat: Found on gravelly alpine tundras, rocky ridges, and talus slopes high above the treeline.
Aspecto
This low-growing wildflower features a single, disproportionately large daisy-like flower head measuring up to 8 centimeters across, boasting bright golden-yellow ray petals and a darker yellow central disc. The short, sturdy stem and deeply divided, lobed leaves are densely covered in thick, white, woolly hairs that give the plant a silvery-green or fuzzy appearance. It typically grows close to the ground, reaching heights of only 8 to 30 centimeters to avoid the punishing alpine winds.
ReinoPlantaeFiloTracheophytaClaseMagnoliopsidaOrdenAsteralesFamiliaAsteraceaeGéneroHymenoxys
Categoría
PlantasRareza
Common
Peligro
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Snaps
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Datos interesantes
Because the flower heads always face east, lost hikers in the Rocky Mountains can actually use them as a natural compass.
Its fuzzy, bearded look earned it the popular local nickname 'Old-Man-of-the-Mountain' among mountaineers.
The plant is monocarpic, meaning it grows for up to 10 years, flowers just once, and then dies immediately after setting its seeds.
Habilidades especiales
Habilidad
East-Facing Heliotropism
The developing flower buds track the sun, but upon opening, they permanently face east to capture the morning sun, maximizing warmth to attract chilled alpine pollinators.
Habilidad
Woolly Thermoregulation
Dense, felt-like white hairs cover the stems and leaves, creating a micro-boundary layer that insulates the plant from freezing temperatures and blocks intense UV radiation.
Habilidad
Monocarpic Life Strategy
The plant conserves energy for up to a decade in a harsh climate to produce a single massive, successful reproductive event before dying.
Medidas y detalles
- Longitud
- 8+ cm
- Peso
- 0.005+ kg
- Esperanza de vida
- 5+ años
Dieta y alimentación
The Alpine Sunflower is a photosynthetic organism that generates its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
Alimentos principales
- Sunlight
- Water
- Carbon Dioxide
- Soil Nutrients
Conexiones ecológicas
mutualism
Golden-belted Bumblebee
Bombus balteatus
Relies heavily on high-altitude bumblebees for pollination to successfully fertilize its seeds during its single blooming season.
eaten by
American Pika
Ochotona princeps
Leaves and flowers are collected, dried, and stored in haypiles as a vital winter food source by small alpine mammals.
competitor
Moss Campion
Silene acaulis
Competes for limited soil moisture, nutrients, and space with other low-growing alpine plants in gravelly soils.
Rasgos
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También conocido como
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Colecciones
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Seguridad
Peligro
1/5 · Muy bajo
Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Alpine Sunflower?
La forma más fácil de identificar a Alpine Sunflower es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Alpine Sunflower?
8+ cm
¿Cuál es el peso de Alpine Sunflower?
0.005+ kg
¿Cuál es el esperanza de vida de Alpine Sunflower?
5+ años
¿Qué come Alpine Sunflower?
The Alpine Sunflower is a photosynthetic organism that generates its own energy from sunlight, water, carbon dioxide, and essential soil minerals.
¿Dónde se encuentra normalmente Alpine Sunflower?
Found on gravelly alpine tundras, rocky ridges, and talus slopes high above the treeline.
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