Aecia of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of leaves of May apple on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas

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Sam Houston National Forest near Montgomery, Texas, February 29, 2020

Album 2653: Sam Houston National Forest near Montgomery, Texas, February 29, 2020

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The image presents a close-up view of an orange fungal structure, identified as an aecium or "aecia" of the Mayapple Rust Fungus (Allodus podophylli). The aecium is situated on the underside of a leaf, specifically that of a May apple plant. This particular specimen was observed in Sam Houston National Forest, Texas, on February 29th.

**Observations and Characteristics**

* **Aecia**: The orange structures are likely to be aecia, which are fruiting bodies produced by rust fungi during their telial stage.
* **Leaf Surface**: The underside of the leaf exhibits a waxy appearance with prominent veins.
* **May Apple Plant**: The host plant is May apple (Podophyllum peltatum), an herbaceous perennial native to eastern North America.

**Key Features**

* **Fungal Structure**: The orange aecia have a rounded, cup-like shape and are densely packed on the leaf surface.
* **Leaf Characteristics**: The underside of the leaf features prominent veins and a waxy texture.
* **Host Plant**: The May apple plant is an herbaceous perennial native to eastern North America.

**Conclusion**

The image provides a detailed view of the Mayapple Rust Fungus (Allodus podophylli) on the underside of a May apple leaf. – AI vision

🇪🇸 Descripción en español / Spanish Description

El hongo del mildiu rojo de la mayapa Allodus podophylli (Puccinia podophylli) en el lado inferior de las hojas de mayapa en el Sendero Caney Creek (Sendero Little Lake Creek Loop) en el Bosque Nacional Sam Houston al norte de Montgomery. Texas, 29 de febrero de 2020. La imagen presenta una vista de cerca de una estructura fúngica naranja, identificada como un aecio o "aecia" del mildiu rojo de la mayapa (Allodus podophylli). El aecio está situado en el lado inferior de una hoja, específicamente el de una planta de mayapa. Este espécimen particular se observó en el Bosque Nacional Sam Houston, Texas, el 29 de febrero. **Observaciones y Características** * **Aecia**: Es probable que las estructuras naranjas sean aecios, que son cuerpos fructíferos producidos por hongos del mildiu durante su etapa telial. * **Superficie de la hoja**: El lado inferior de la hoja exhibe un aspecto ceroso con venas prominentes. * **Planta de May Apple**: La planta anfitriona es la mayapa (Podophyllum peltatum), una perenne herbácea nativa del este de Norteamérica. **Principales características** * **Estructura Fúngica**: Los aecios naranjas tienen una forma redondeada, similar a una copa y están densamente empaquetados en la superficie de la hoja. * **Características de la Hoja**: El lado inferior de la hoja presenta venas prominentes y un aspecto ceroso. * **Planta anfitriona**: La planta de mayapa es una perenne herbácea nativa del este de Norteamérica. **Conclusión** La imagen muestra una vista detallada del hongo del mildiu rojo de la mayapa (Allodus podophylli) en el lado inferior de una hoja de mayapa. – Spanish translation

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