Vein-bordered yellow areas on the leaf of May apple (mandrake, Podophyllum peltatum) with teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas

🎞️ #2255-15

The image presents a close-up view of two leaves from a mayapple plant, showcasing the effects of an infection by the mayapple rust fungus (Allodus podophylli). The upper leaf displays yellow spots along its veins, while the lower leaf features yellow patches scattered throughout.

**Key Features:**

* **Leaf Appearance:** The leaves exhibit a healthy green color with yellow markings.
* **Fungal Infection:** The presence of yellow spots and patches indicates an active fungal infection.
* **Rust Spores:** Rust spores are visible on the underside of the upper leaf, further confirming the fungal infection.

**Image Context:**

* **Location:** The image was captured in Sam Houston National Forest, near Huntsville, Texas, USA.
* **Date:** The photo was taken on May 5, 2018.

**Significance:**

The image provides a clear visual representation of the effects of the mayapple rust fungus on its host plant. The presence of yellow spots and patches on the leaves indicates an active infection, while the visible rust spores on the underside of the upper leaf confirm the fungal presence. – AI vision

🇪🇸 Descripción en español / Spanish Description

Las áreas amarillas bordeadas de venas en la hoja del manzano de mayo (mandrágora, Podophyllum peltatum) con teleutosori del hongo roya de manzano Allodus podophylli (Puccinia podophylli) en el sendero Caney Creek (Sendero Little Lake Creek Loop) en la Selva Nacional Sam Houston, cerca de Huntsville. Texas, 5 de mayo de 2018. La imagen presenta una vista detallada de dos hojas de una planta de manzano de mayo, que muestra los efectos de una infección por el hongo roya de manzano (Allodus podophylli). La hoja superior presenta manchas amarillas a lo largo de sus venas, mientras que la hoja inferior presenta parches amarillos dispersados. **Características clave:** * **Apariencia de las hojas:** Las hojas exhiben un color verde saludable con marcas amarillas. * **Infección fúngica:** La presencia de manchas y parches amarillos indica una infección fúngica activa. * **Esporas de roya:** Las esporas de roya son visibles en la cara inferior de la hoja superior, lo que confirma aún más la infección fúngica. **Contexto de la imagen:** * **Ubicación:** La imagen fue capturada en la Selva Nacional Sam Houston, cerca de Huntsville, Texas, EE. UU. * **Fecha:** La foto se tomó el 5 de mayo de 2018. **Significado:** La imagen proporciona una representación visual clara de los efectos del hongo roya de manzano en su planta anfitriona. La presencia de manchas y parches amarillos en las hojas indica una infección activa, mientras que las esporas visibles de roya en la cara inferior de la hoja superior confirman aún más la presencia fúngica. – Spanish translation

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