Eight-Petal Mountain-Avens
ExplorarPlantas
Eight-Petal Mountain-Avens
dryas octopetala
The Eight-Petal Mountain-Avens is an iconic arctic-alpine dwarf evergreen shrub that carpets tundra and rocky high-altitude slopes with cheerful white blooms. A pioneer species from the rose family, it thrives where few other plants can survive, clinging to cold, wind-swept limestone rocks. Its presence is historically significant, so much so that two major geological cold periods—the Older and Younger Dryas—were named after this hardy plant because its pollen dominates glacial sediment layers from those eras.
Hábitat: Found in rocky arctic tundra, high-altitude alpine meadows, and limestone crevices across the Northern Hemisphere.
Aspecto
This prostrate plant forms low, dense woody mats typically rising only 3 to 15 centimeters above the ground. Its leaves are small, oblong, and deeply scalloped, resembling tiny oak leaves with dark green, shiny tops and woolly, white felt-like undersides. In early to mid-summer, it produces striking, solitary white flowers, each typically featuring eight petals surrounding a dense dome of bright yellow stamens. When the flowers fade, they transform into spectacular, feathery, twisted seed heads that catch the wind like miniature silver sparklers.
ReinoPlantaeFiloTracheophytaClaseMagnoliopsidaOrdenRosalesFamiliaRosaceaeGéneroDryas
Categoría
PlantasRareza
Common
Peligro
1/5 · Muy bajo
Snaps
¡Sé la primera persona en hacer un snap!
Datos interesantes
Dryas octopetala is the official national flower of Iceland and the territorial flower of the Northwest Territories in Canada.
Its parabolic flowers act like tiny satellite dishes, reflecting sunlight onto the central reproductive organs to keep them up to 8 degrees Celsius warmer than the surrounding air.
The plant is so abundant in fossil records of the last glacial period that two major cold climate epochs, the Older and Younger Dryas, are named after it.
Habilidades especiales
Habilidad
Solar Tracking Flowers
The cup-shaped blossoms act as parabolic reflectors, turning continuously to face the sun and concentrating heat to attract insect pollinators.
Habilidad
Nitrogen-Fixing Symbiosis
It partners with symbiotic Frankia bacteria in its root system, allowing it to thrive in nutrient-poor, rocky, and glacial soils.
Habilidad
Thermal Insulation Mat
Its low-growing, tightly packed woody cushions trap pockets of warm air, protecting the plant from freezing arctic winds.
Medidas y detalles
- Longitud
- 3-15 cm
- Peso
- 0.05-0.5 kg
- Esperanza de vida
- 10-100 años
Dieta y alimentación
As a photoautotrophic plant, it produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water, supplemented by soil minerals.
Alimentos principales
- Sunlight
- Carbon dioxide
- Water
- Soil nitrogen
Conexiones ecológicas
mutualism
Arctic Bumblebee
Bombus polaris
Acts as a primary pollinator, attracted to the heat concentrated within the solar-tracking flowers.
eaten by
Arctic Hare
Lepus arcticus
Feeds on the evergreen foliage and twigs during winter when other food sources are scarce.
mutualism
Frankia bacteria
Frankia
Forms root nodules to fix atmospheric nitrogen, providing critical nutrients to the plant in poor soils.
Rasgos
Aún no hay insignias de rasgos asignadas a este objeto.
También conocido como
Todavía no hay alias listados.
Colecciones
Las colecciones para este objeto aparecerán aquí a medida que se añadan más temas.
Seguridad
Peligro
1/5 · Muy bajo
Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Eight-Petal Mountain-Avens?
La forma más fácil de identificar a Eight-Petal Mountain-Avens es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Eight-Petal Mountain-Avens?
3-15 cm
¿Cuál es el peso de Eight-Petal Mountain-Avens?
0.05-0.5 kg
¿Cuál es el esperanza de vida de Eight-Petal Mountain-Avens?
10-100 años
¿Qué come Eight-Petal Mountain-Avens?
As a photoautotrophic plant, it produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water, supplemented by soil minerals.
¿Dónde se encuentra normalmente Eight-Petal Mountain-Avens?
Found in rocky arctic tundra, high-altitude alpine meadows, and limestone crevices across the Northern Hemisphere.
Mapa de snaps
Acércate para separar los grupos y explorar dónde se ha fotografiado este objeto.
Cargando mapa…
Snaps recientes
Los snaps recientes aparecerán aquí a medida que se añadan nuevas observaciones.
%2C_jard%C3%ADn_bot%C3%A1nico_alpino-%C3%A1rtico%2C_Troms%C3%B8%2C_Noruega%2C_2019-09-04%2C_DD_81.jpg&width=800)
