Rust fungus Coleosporium steviae(?) on underside of a leaf of late-flowering boneset (Eupatorium serotinum) in Lick Creek ParkLick Creek: Background Notes. College Station, Texas

🎞️ #3153-19

The image presents a detailed view of the underside of a leaf from a Late-Flowering Boneset plant (Eupatorium serotinum), showcasing the effects of rust fungus infection. The leaf's surface features numerous small, reddish-brown pustules containing spores, characteristic of fungal infections.

**Key Features:**

* **Leaf Structure:** The leaf exhibits serrated edges and a wavy margin.
* **Rust Fungus Infection:**
   + Pustules are scattered across the leaf's surface.
   + Each pustule contains reddish-brown spores, indicating active fungal growth.
   + The spores are likely responsible for spreading the disease to other plants.

**Conclusion:**

Based on the image and provided caption, it is evident that the Late-Flowering Boneset plant has been infected by a rust fungus (Coleosporium steviae(?). This infection can have significant impacts on the plant's health and productivity. – AI vision

🇪🇸 Descripción en español / Spanish Description

El hongo rojizo Coleosporium steviae(?) en la parte inferior de una hoja de boneset de floración tardía (Eupatorium serotinum) en Lick Creek Park. College Station, Texas, 15 de mayo de 2022. La imagen presenta una vista detallada de la parte inferior de una hoja de una planta de boneset de floración tardía (Eupatorium serotinum), que muestra los efectos de la infección por el hongo rojizo. La superficie de la hoja tiene numerosas pústulas pequeñas marrones rojizas que contienen esporas, lo cual es característico de las infecciones fúngicas. **Principales rasgos:** * **Estructura de la hoja:** La hoja presenta bordes dentados y un borde ondulado. * **Infección por hongos rojizos:** + Las pústulas están dispersas a lo largo de la superficie de la hoja. + Cada pústula contiene esporas marrones rojizas, lo que indica el crecimiento activo del hongo. + Es probable que las esporas sean responsables de propagar la enfermedad a otras plantas. **Conclusión:** Según la imagen y el título proporcionado, está claro que la planta de boneset de floración tardía ha sido infectada por un hongo rojizo (Coleosporium steviae(?). Esta infección puede tener impactos significativos en la salud y productividad de las plantas. – Spanish translation

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