Mackay'S Fragile Fern
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Mackay'S Fragile Fern
cystopteris tenuis
Mackay's Fragile Fern (Cystopteris tenuis) is a delicate and resilient perennial fern native to the rocky woodlands and cliffs of eastern North America. Named after the botanist A.H. Mackay, this species belongs to the fragile fern genus, characterized by its slender, easily broken stems and highly dissected, lace-like fronds. Unlike many other ferns that require deep, moist soils, this species thrives in crevices of rocky outcrops, cliffs, and talus slopes, where it anchors its short, creeping rhizomes. It is highly valued by native plant enthusiasts for its elegant appearance and ability to colonize challenging, shaded stone environments.
Hábitat: Typically found in shaded rocky woods, moist cliffs, talus slopes, and limestone ledges.
Aspecto
This small-to-medium fern features delicate, light-green, bipinnate to pinnate-pinnatifid fronds that typically reach 10 to 40 centimeters in height. The fronds are lance-shaped and taper toward both ends, growing from a short, creeping rhizome. Its stem (stipe) is very slender, smooth, and fragile, showing a reddish-brown to straw-colored base. Underneath the pinnules, circular spore-producing structures called sori are partially covered by hood-like indusia, which shrivel and peel back as the spores mature in mid-to-late summer.
ReinoPlantaeFiloTracheophytaClasePolypodiopsidaOrdenPolypodialesFamiliaCystopteridaceaeGéneroCystopteris
Categoría
PlantasRareza
Common
Peligro
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Datos interesantes
Despite its common name 'fragile fern', this plant is incredibly tough, often growing directly out of sheer rock walls where few other plants can survive.
Its species name 'tenuis' is Latin for 'thin' or 'slender', referring to the delicate, paper-thin texture of its leaflets.
Unlike many larger ferns, Mackay's Fragile Fern is known to go dormant and wither during dry midsummer heat waves, only to resurrect with fresh green fronds when autumn rains arrive.
Habilidades especiales
Habilidad
Epilithic Colonization
Capable of anchoring its root-like rhizomes directly into narrow rock crevices and pockets of shallow soil on vertical cliff faces.
Habilidad
Estivation Sprouting
Can senesce (die back) during dry mid-summer spells and rapidly produce a fresh flush of new fronds when moisture returns in autumn.
Habilidad
Active Spore Catapulting
Utilizes a specialized ring of cells (the annulus) on its sporangia that dries and snaps forward, forcefully launching microscopic spores into passing wind currents.
Medidas y detalles
- Longitud
- 10-40 cm
- Peso
- 0.01-0.05 kg
- Esperanza de vida
- 5-15 años
Dieta y alimentación
As a photosynthetic plant, Mackay's Fragile Fern synthesizes its own energy from sunlight, carbon dioxide, and water while absorbing key mineral nutrients through its roots.
Alimentos principales
- Sunlight
- Water
- Carbon Dioxide
- Soil Minerals
Conexiones ecológicas
parasite
Fern Rust Fungus
Hyalopsora polypodii
A specialized rust fungus that infects the fronds, utilizing the fern as a host to complete its lifecycle.
eaten by
White-tailed Deer
Odocoileus virginianus
An herbivorous mammal that occasionally grazes on the delicate fronds in rocky, forested areas, especially in early spring.
competitor
Anomodon Moss
Anomodon attenuatus
A shade-loving moss that often grows alongside this fern in moist rock crevices, competing for space and water.
Rasgos
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También conocido como
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Seguridad
Peligro
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Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Mackay'S Fragile Fern?
La forma más fácil de identificar a Mackay'S Fragile Fern es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Mackay'S Fragile Fern?
10-40 cm
¿Cuál es el peso de Mackay'S Fragile Fern?
0.01-0.05 kg
¿Cuál es el esperanza de vida de Mackay'S Fragile Fern?
5-15 años
¿Qué come Mackay'S Fragile Fern?
As a photosynthetic plant, Mackay's Fragile Fern synthesizes its own energy from sunlight, carbon dioxide, and water while absorbing key mineral nutrients through its roots.
¿Dónde se encuentra normalmente Mackay'S Fragile Fern?
Typically found in shaded rocky woods, moist cliffs, talus slopes, and limestone ledges.
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