Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas

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Lake Somerville, Texas, September 19, 2021

Album 3026: Lake Somerville, Texas, September 19, 2021

The image shows a close-up view of an Ipomoea leaf infected with the Coleosporium ipomoeae fungus, also known as orange rust. The leaf has a green color and the veins are visible through its translucent surface.

* **Fungus:**
* Name: Coleosporium ipomoeae
* Common name: Orange Rust Fungus
* Type of fungus: Basidiomycota (a type of basidiomycete)
* Characteristics:
* Small, orange-brown pustules on the surface of the leaf
* Pustules contain spores that can be released into the air and spread to other plants

* **Host plant:**
* Species: Ipomoea lacunosa
* Common name: Desert morning-glory
* Characteristics:
* A perennial vine native to Texas, USA
* Leaves are heart-shaped with pointed tips
* Flowers are white or pinkish and have five petals

* **Infection symptoms:**
* Leaf texture is affected by the fungus, becoming rough and leathery
* Pustules on the leaf surface can cause premature defoliation (leaf drop)
* In severe cases, infection can lead to stunted plant growth and reduced seed production

* **Image context:**
* The image was taken at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park in Texas on September 19, 2021
* The environment is likely humid and warm, favoring the growth of fungi. – AI vision

🇪🇸 Descripción en español / Spanish Description

Textura del hongo de la roya naranja Coleosporium ipomoeae en una hoja de Ipomoea lacunosa en Lake Somerville Trailway cerca de Birch Creek Unit de Somerville Lake State Park. Texas, 19 de septiembre de 2021. La imagen muestra una vista cercana de una hoja de Ipomoea infectada con el hongo Coleosporium ipomoeae, también conocido como roya naranja. La hoja tiene un color verde y las venas son visibles a través de su superficie translúcida. * **Hongo:** * Nombre: Coleosporium ipomoeae * Nombre común: Hongo de la roya naranja * Tipo de hongo: Basidiomycota (un tipo de basidiomiceto) * Características: * Pequeñas pústulas naranja oscuro en la superficie de la hoja * Las pústulas contienen esporas que pueden liberarse al aire y extenderse a otras plantas * **Planta huésped:** * Especie: Ipomoea lacunosa * Nombre común: Desert morning-glory * Características: * Una vid perenne nativa de Texas, Estados Unidos * Las hojas tienen forma de corazón con puntas agudas * Las flores son blancas o rosadas y tienen cinco pétalos * **Síntomas de infección:** * La textura de la hoja está afectada por el hongo, volviéndose áspera y coriácea * Pústulas en la superficie de la hoja pueden causar defoliación prematura (caída de hojas) * En casos graves, la infección puede provocar un crecimiento retardado de las plantas y una producción reducida de semillas * **Contexto de la imagen:** * La imagen fue tomada en Lake Somerville Trailway cerca de Birch Creek Unit of Somerville Lake State Park en Texas el 19 de septiembre de 2021 * El entorno es probablemente húmedo y cálido, lo que favorece el crecimiento de hongos. – Spanish translation

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