Large-Leaved Saint John'S Wort
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Large-Leaved Saint John'S Wort
hypericum grandifolium
Large-Leaved Saint John's Wort (Hypericum grandifolium) is a robust, evergreen shrub native to the humid forests of Macaronesia. Standing out with its woody structure and bright, star-like yellow blossoms, this plant is a characteristic element of the Canary Islands and Madeira laurel forest understory. Its attractive foliage and striking clusters of flowers make it a visually captivating species for nature enthusiasts exploring these unique island ecosystems.
Hábitat: Found in humid laurel forests (laurisilva) and damp, shaded ravines of the Canary Islands and Madeira.
Aspecto
This evergreen shrub grows up to 1.8 meters tall, featuring reddish-brown stems and large, opposite, ovate-lanceolate leaves that can reach 10 centimeters in length. The bright yellow flowers are about 3 to 4.5 centimeters wide, showcasing five distinct petals and a dense, explosive cluster of numerous protruding yellow stamens in the center. After flowering, it produces distinctive reddish-brown to black, berry-like seed capsules.
ReinoPlantaeFiloTracheophytaClaseMagnoliopsidaOrdenMalpighialesFamiliaHypericaceaeGéneroHypericum
Categoría
PlantasRareza
Common
Peligro
1/5 · Muy bajo
Snaps
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Datos interesantes
The species name 'grandifolium' translates directly to 'large-leaved', highlighting its exceptionally broad foliage.
Unlike many continental Saint John's Wort species which are small herbs, this island native develops into a robust woody shrub.
When held up to the light, the leaves appear perforated due to tiny translucent glands containing essential oils.
Habilidades especiales
Habilidad
Chemical Defense
Produces hypericin and other secondary metabolites that protect the plant's foliage from voracious herbivores.
Habilidad
Shade Tolerance
Possesses large leaf surface areas optimized to capture minimal light filtering through dense forest canopies.
Habilidad
Glandular Secretion
Features specialized translucent glands across its leaves that secrete aromatic essential oils to deter insect pests.
Medidas y detalles
- Longitud
- 50-180 cm
- Esperanza de vida
- 5-15 años
Dieta y alimentación
As a photoautotrophic plant, it synthesizes its own nutrients from sunlight, water, carbon dioxide, and essential soil minerals.
Alimentos principales
- Sunlight
- Water
- Carbon Dioxide
- Soil Minerals
Conexiones ecológicas
mutualism
Canary Island Bumblebee
Bombus canariensis
Pollinates the bright yellow flowers while collecting nectar and pollen.
eaten by
Saint John's Wort Beetle
Chrysolina hyperici
The beetle and its larvae feed extensively on the foliage.
competitor
Laurel Tree
Laurus novocanariensis
Competes for canopy sunlight and space in the dense laurel forest understory.
Rasgos
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También conocido como
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Seguridad
Peligro
1/5 · Muy bajo
Todavía no hay notas especiales de seguridad.
Preguntas frecuentes
¿Cómo identificar a Large-Leaved Saint John'S Wort?
La forma más fácil de identificar a Large-Leaved Saint John'S Wort es usar la aplicación de identificación de naturaleza Snappit.
¿Cuál es el longitud de Large-Leaved Saint John'S Wort?
50-180 cm
¿Cuál es el esperanza de vida de Large-Leaved Saint John'S Wort?
5-15 años
¿Qué come Large-Leaved Saint John'S Wort?
As a photoautotrophic plant, it synthesizes its own nutrients from sunlight, water, carbon dioxide, and essential soil minerals.
¿Dónde se encuentra normalmente Large-Leaved Saint John'S Wort?
Found in humid laurel forests (laurisilva) and damp, shaded ravines of the Canary Islands and Madeira.
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