Underside of a leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis) in Washington-on-the-Brazos State Historic Site. Washington, Texas

🎞️ #3356-23

The image shows a leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus pustules on its underside. The photograph was taken at Washington-on-the-Brazos State Historic Site in Texas on March 6, 2023.

**Leaf and Fungus Description**

* The leaf is greenish-yellow in color.
* It has a fuzzy texture, which suggests that it is covered with fine hairs or trichomes.
* The fungus appears as small, oval-shaped structures (pustules) scattered across the surface of the leaf. These pustules are typically found on the lower surface of leaves and can cause damage to plant tissues by releasing spores into the air.

**Image Details**

* **Scale:** The image is not scaled.
* **Format:** The image is a photograph.
* **Source:** The source of the image is unknown, but it was likely taken for educational or scientific purposes.

**Conclusion**

Overall, the image provides a clear view of the symptoms caused by sunflower white rust fungus on squaw-weed leaves. It can be used as an example to help identify this disease in plants and understand its impact on plant health. – AI vision

🇪🇸 Descripción en español / Spanish Description

El lado inferior de una hoja de malvavisco (Senecio ampullaceus) con el hongo Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) del "moho blanco" en la Washington-on-the-Brazos State Historic Site. Washington, Texas, 6 de marzo de 2023. La imagen muestra una hoja de malvavisco (Senecio ampullaceus) con pústulas del hongo Pustula tragopogonis en su parte inferior. La fotografía fue tomada en el sitio histórico Washington-on-the-Brazos State Historic Site en Texas el 6 de marzo de 2023. **Descripción de la hoja y el hongo** *La hoja es de color amarillo verdoso.* Tiene una textura peluda, lo que sugiere que está cubierta con pelos finos o tricomas. *El hongo aparece como pequeñas estructuras de forma ovalada (pústulas) dispersas por la superficie de la hoja. Estas pústulas se encuentran típicamente en la parte inferior de las hojas y pueden dañar los tejidos vegetales al liberar esporas al aire. **Detalles de la imagen** *
* **Escala:** La imagen no está escalada.* **Formato:** La imagen es una fotografía. * **Fuente:** No se conoce la fuente de la imagen, pero probablemente fue tomada con fines educativos o científicos.** Conclusión** En general, la imagen proporciona una vista clara de los síntomas causados por el hongo del "moho blanco" en las hojas de malvavisco. Puede usarse como ejemplo para ayudar a identificar esta enfermedad en las plantas y entender su impacto en la salud de las plantas.**. – Spanish translation

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