Underside of apple leaf with teleutosori of mayapple ...

The image shows a close-up of an upside-down Mayapple leaf with numerous small yellowish-brown spots, which are likely to be the **teleutosori (teliospores)** of the **mayapple rust fungus** species, *Allodus podophylli*, on a trail in Sam Houston National Forest, Texas.

The image is taken from directly above the May apple leaf, capturing its underside. The leaf has five lobes and the teleutosori are distributed across these lobes. They appear as small yellowish-brown spots with dark centers.

In the background of this image, there appears to be a layer of dead leaves and twigs on which the leaf is lying.

The overall scene suggests that the May apple rust fungus *Allodus podophylli* is affecting the Mayapple plant by infecting its leaves. The presence of teleutosori on the underside of the leaf indicates that the fungus has successfully infected the plant and is reproducing, potentially leading to further infection and damage to the plant.

The image provides a detailed view of the symptoms caused by the mayapple rust fungus *Allodus podophylli*, highlighting the importance of monitoring for signs of fungal infections in plants. – AI vision